Change size policy of buffer combo in refs dialog

Fixes: #9316
(cherry picked from commit b286c6d235)

src/frontends/qt4/ui/RefUi.ui

@@ -101,7 +101,7 @@
        <item>
         <widget class="QComboBox" name="bufferCO">
          <property name="sizePolicy">
-          <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+          <sizepolicy hsizetype="Ignored" vsizetype="Fixed">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>
@@ -109,6 +109,12 @@
          <property name="toolTip">
           <string>The (sub-)document from which the available labels are displayed</string>
          </property>
+         <property name="sizeAdjustPolicy">
+          <enum>QComboBox::AdjustToContentsOnFirstShow</enum>
+         </property>
+         <property name="minimumContentsLength">
+          <number>0</number>
+         </property>
         </widget>
        </item>
       </layout>

status.23x

@@ -281,6 +281,8 @@ What's new
 
 - Fix display of RTL text in tooltips (bug 10672).
 
+- Fix size policy of buffer combo in refs dialog (bug 9316).
+
 
 * INTERNALS