Update fr.po: a couple of typos and shortcut conflicts resolution

po/fr.po

@@ -363,7 +363,7 @@ msgstr ""
 "Project-Id-Version: LyX 2.4\n"
 "Report-Msgid-Bugs-To: lyx-devel@lists.lyx.org\n"
 "POT-Creation-Date: 2024-03-06 09:55+0100\n"
-"PO-Revision-Date: 2024-04-02 17:50+0200\n"
+"PO-Revision-Date: 2024-04-10 18:57+0200\n"
 "Last-Translator: Jean-Pierre Chrétien <jeanpierre.chretien@free.fr>\n"
 "Language-Team: lyxfr\n"
 "Language: fr\n"
@@ -10305,7 +10305,7 @@ msgstr "SousParagraphe"
 #: lib/layouts/powerdot.layout:365 lib/layouts/stdlists.inc:33
 #: lib/layouts/stdlists.inc:75 lib/layouts/theorems-case.inc:71
 msgid "Custom Item|s"
-msgstr "Élément paramétrable|É"
+msgstr "Élément paramétrable|p"
 
 #: lib/layouts/apa.layout:404 lib/layouts/apa.layout:442
 #: lib/layouts/apax.inc:504 lib/layouts/apax.inc:542
@@ -12718,7 +12718,7 @@ msgstr "Notes"
 
 #: lib/layouts/enotez.module:2
 msgid "Endnotes (Extended)"
-msgstr "Endnotes (étendues)"
+msgstr "Notes en fin de document (étendues)"
 
 #: lib/layouts/enotez.module:10
 msgid ""
@@ -14015,7 +14015,7 @@ msgstr "Boîtes permettant de mettre à l'échelle et faire tourner leur contenu
 
 #: lib/layouts/graphicboxes.module:12 lib/layouts/graphicboxes.module:15
 msgid "Reflectbox"
-msgstr "BoiteMiroir"
+msgstr "BoîteMiroir"
 
 #: lib/layouts/graphicboxes.module:27 lib/layouts/graphicboxes.module:29
 msgid "Scalebox"
@@ -21223,7 +21223,7 @@ msgstr "Promouvoir la section|m"
 
 #: lib/ui/stdcontext.inc:392
 msgid "Demote Section|m"
-msgstr "Rétrograder la section|é"
+msgstr "Rétrograder la section|R"
 
 #: lib/ui/stdcontext.inc:393
 msgid "Move Section Down|D"