Use SVG icons in itemize bullet selector

This scales much better than the current png solution, is HiDPI- and
darkmode-ready

development/cmake/Install.cmake

@@ -129,7 +129,7 @@ endforeach()
 
 
 foreach(_imgext "png" "svgz" "gif" "xpm")
-  lyx_install("data" ${TOP_SRC_DIR}/lib images       "*.${_imgext}"      . ipa classic oxygen)
+  lyx_install("data" ${TOP_SRC_DIR}/lib images       "*.${_imgext}"      . bullets ipa classic oxygen)
   lyx_install("data" ${TOP_SRC_DIR}/lib images/math  "*.${_imgext}"      . oxygen)
 endforeach()
 lyx_install("data" ${TOP_SRC_DIR}/lib        citeengines          *.citeengine .)

lib/Makefile.am

@@ -739,13 +739,7 @@ dist_images_DATA2X = \
 	images/banner@2x.png
 
 dist_images_DATA = \
-	images/amssymb.png \
 	images/banner.png \
-	images/psnfss1.png \
-	images/psnfss2.png \
-	images/psnfss3.png \
-	images/psnfss4.png \
-	images/standard.png \
 	$(dist_images_DATA1X) \
 	$(dist_images_DATA2X) \
 	$(dist_images_DATA3X)
@@ -1614,6 +1608,190 @@ dist_imagesmath_DATA = \
 	images/math/Yup.svgz \
 	images/math/zeta.svgz
 
+imagesbulletsdir = $(imagesdir)/bullets
+dist_imagesbullets_DATA = \
+	images/bullets/ast.svgz \
+	images/bullets/bfendash.svgz \
+	images/bullets/bigtriangledown.svgz \
+	images/bullets/bigtriangleup.svgz \
+	images/bullets/box.svgz \
+	images/bullets/bullet.svgz \
+	images/bullets/cdot.svgz \
+	images/bullets/circ.svgz \
+	images/bullets/clubsuit.svgz \
+	images/bullets/dagger.svgz \
+	images/bullets/dashv.svgz \
+	images/bullets/diamondsuit.svgz \
+	images/bullets/diamond.svgz \
+	images/bullets/diamond2.svgz \
+	images/bullets/ding100.svgz \
+	images/bullets/ding101.svgz \
+	images/bullets/ding102.svgz \
+	images/bullets/ding103.svgz \
+	images/bullets/ding104.svgz \
+	images/bullets/ding105.svgz \
+	images/bullets/ding106.svgz \
+	images/bullets/ding107.svgz \
+	images/bullets/ding108.svgz \
+	images/bullets/ding109.svgz \
+	images/bullets/ding110.svgz \
+	images/bullets/ding111.svgz \
+	images/bullets/ding112.svgz \
+	images/bullets/ding113.svgz \
+	images/bullets/ding114.svgz \
+	images/bullets/ding115.svgz \
+	images/bullets/ding116.svgz \
+	images/bullets/ding117.svgz \
+	images/bullets/ding118.svgz \
+	images/bullets/ding119.svgz \
+	images/bullets/ding120.svgz \
+	images/bullets/ding121.svgz \
+	images/bullets/ding122.svgz \
+	images/bullets/ding162.svgz \
+	images/bullets/ding163.svgz \
+	images/bullets/ding164.svgz \
+	images/bullets/ding165.svgz \
+	images/bullets/ding166.svgz \
+	images/bullets/ding167.svgz \
+	images/bullets/ding168.svgz \
+	images/bullets/ding169.svgz \
+	images/bullets/ding170.svgz \
+	images/bullets/ding171.svgz \
+	images/bullets/ding212.svgz \
+	images/bullets/ding213.svgz \
+	images/bullets/ding217.svgz \
+	images/bullets/ding219.svgz \
+	images/bullets/ding220.svgz \
+	images/bullets/ding221.svgz \
+	images/bullets/ding222.svgz \
+	images/bullets/ding223.svgz \
+	images/bullets/ding224.svgz \
+	images/bullets/ding225.svgz \
+	images/bullets/ding226.svgz \
+	images/bullets/ding227.svgz \
+	images/bullets/ding228.svgz \
+	images/bullets/ding229.svgz \
+	images/bullets/ding230.svgz \
+	images/bullets/ding231.svgz \
+	images/bullets/ding232.svgz \
+	images/bullets/ding233.svgz \
+	images/bullets/ding234.svgz \
+	images/bullets/ding235.svgz \
+	images/bullets/ding236.svgz \
+	images/bullets/ding237.svgz \
+	images/bullets/ding238.svgz \
+	images/bullets/ding239.svgz \
+	images/bullets/ding241.svgz \
+	images/bullets/ding242.svgz \
+	images/bullets/ding243.svgz \
+	images/bullets/ding245.svgz \
+	images/bullets/ding248.svgz \
+	images/bullets/ding250.svgz \
+	images/bullets/ding251.svgz \
+	images/bullets/ding252.svgz \
+	images/bullets/ding253.svgz \
+	images/bullets/ding254.svgz \
+	images/bullets/ding34.svgz \
+	images/bullets/ding36.svgz \
+	images/bullets/ding37.svgz \
+	images/bullets/ding38.svgz \
+	images/bullets/ding39.svgz \
+	images/bullets/ding40.svgz \
+	images/bullets/ding41.svgz \
+	images/bullets/ding42.svgz \
+	images/bullets/ding43.svgz \
+	images/bullets/ding44.svgz \
+	images/bullets/ding45.svgz \
+	images/bullets/ding47.svgz \
+	images/bullets/ding49.svgz \
+	images/bullets/ding50.svgz \
+	images/bullets/ding51.svgz \
+	images/bullets/ding52.svgz \
+	images/bullets/ding53.svgz \
+	images/bullets/ding54.svgz \
+	images/bullets/ding55.svgz \
+	images/bullets/ding56.svgz \
+	images/bullets/ding57.svgz \
+	images/bullets/ding58.svgz \
+	images/bullets/ding59.svgz \
+	images/bullets/ding60.svgz \
+	images/bullets/ding61.svgz \
+	images/bullets/ding62.svgz \
+	images/bullets/ding63.svgz \
+	images/bullets/ding64.svgz \
+	images/bullets/ding65.svgz \
+	images/bullets/ding66.svgz \
+	images/bullets/ding67.svgz \
+	images/bullets/ding68.svgz \
+	images/bullets/ding69.svgz \
+	images/bullets/ding70.svgz \
+	images/bullets/ding71.svgz \
+	images/bullets/ding72.svgz \
+	images/bullets/ding74.svgz \
+	images/bullets/ding75.svgz \
+	images/bullets/ding76.svgz \
+	images/bullets/ding77.svgz \
+	images/bullets/ding78.svgz \
+	images/bullets/ding79.svgz \
+	images/bullets/ding80.svgz \
+	images/bullets/ding81.svgz \
+	images/bullets/ding82.svgz \
+	images/bullets/ding83.svgz \
+	images/bullets/ding84.svgz \
+	images/bullets/ding85.svgz \
+	images/bullets/ding86.svgz \
+	images/bullets/ding87.svgz \
+	images/bullets/ding88.svgz \
+	images/bullets/ding89.svgz \
+	images/bullets/ding90.svgz \
+	images/bullets/ding91.svgz \
+	images/bullets/ding92.svgz \
+	images/bullets/ding93.svgz \
+	images/bullets/ding94.svgz \
+	images/bullets/ding95.svgz \
+	images/bullets/ding96.svgz \
+	images/bullets/ding97.svgz \
+	images/bullets/ding98.svgz \
+	images/bullets/ding99.svgz \
+	images/bullets/flat.svgz \
+	images/bullets/heartsuit.svgz \
+	images/bullets/leadsto.svgz \
+	images/bullets/lhd.svgz \
+	images/bullets/natural.svgz \
+	images/bullets/odot.svgz \
+	images/bullets/ominus.svgz \
+	images/bullets/oplus.svgz \
+	images/bullets/oslash.svgz \
+	images/bullets/otimes.svgz \
+	images/bullets/pisymbol_psy167.svgz \
+	images/bullets/pisymbol_psy168.svgz \
+	images/bullets/pisymbol_psy169.svgz \
+	images/bullets/pisymbol_psy170.svgz \
+	images/bullets/pisymbol_psy174.svgz \
+	images/bullets/pisymbol_psy183.svgz \
+	images/bullets/pisymbol_psy196.svgz \
+	images/bullets/pisymbol_psy197.svgz \
+	images/bullets/pisymbol_psy209.svgz \
+	images/bullets/pisymbol_psy215.svgz \
+	images/bullets/pisymbol_psy222.svgz \
+	images/bullets/pisymbol_psy224.svgz \
+	images/bullets/pisymbol_psy42.svgz \
+	images/bullets/pisymbol_psy45.svgz \
+	images/bullets/pisymbol_psy68.svgz \
+	images/bullets/rhd.svgz \
+	images/bullets/rightarrow2.svgz \
+	images/bullets/rightarrow.svgz \
+	images/bullets/rightharpoondown.svgz \
+	images/bullets/rightharpoonup.svgz \
+	images/bullets/sharp.svgz \
+	images/bullets/spadesuit.svgz \
+	images/bullets/star.svgz \
+	images/bullets/succ.svgz \
+	images/bullets/triangleleft.svgz \
+	images/bullets/triangleright.svgz \
+	images/bullets/vdash.svgz
+
+
 imagesipadir = $(imagesdir)/ipa
 dist_imagesipa_DATA = \
 	images/ipa/ipamacro-insert_deco_bottomtiebar.svgz \