Resolves: fdo#58237 set listbox to be expandable

which is currently also a synonym as shrinkable
so the listbox is shrunk to fit.

we do need to get around for forcing widgets to
stay within their available space in boxes (should
work fine in grids)

Change-Id: I38a570b2d59952f3457252c57399e2d6ab9e12c6

sw/uiconfig/swriter/ui/bibliographyentry.ui

@@ -131,11 +131,13 @@
               <object class="GtkAlignment" id="alignment1">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
+                <property name="hexpand">True</property>
                 <property name="left_padding">12</property>
                 <child>
                   <object class="GtkGrid" id="grid1">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
+                    <property name="hexpand">True</property>
                     <property name="row_spacing">6</property>
                     <child>
                       <object class="GtkLabel" id="label2">
@@ -211,6 +213,7 @@
                       <object class="GtkComboBox" id="entrylb">
                         <property name="visible">True</property>
                         <property name="can_focus">False</property>
+                        <property name="hexpand">True</property>
                       </object>
                       <packing>
                         <property name="left_attach">0</property>
@@ -262,6 +265,7 @@
                       <object class="GtkEntry" id="entryed">
                         <property name="visible">True</property>
                         <property name="can_focus">True</property>
+                        <property name="hexpand">True</property>
                         <property name="invisible_char">●</property>
                       </object>
                       <packing>
@@ -287,7 +291,7 @@
             </child>
           </object>
           <packing>
-            <property name="expand">False</property>
+            <property name="expand">True</property>
             <property name="fill">True</property>
             <property name="position">1</property>
           </packing>