Resolves: tdf#124932 fix Shortcut Keys etc tab traversal

Change-Id: I9d0204161a0efe91ebcddaf5b2931ab156221b79
Reviewed-on: https://gerrit.libreoffice.org/71283
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

cui/uiconfig/ui/customizedialog.ui

@@ -92,7 +92,7 @@
         <child>
           <object class="GtkNotebook" id="tabcontrol">
             <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="can_focus">True</property>
             <property name="hexpand">True</property>
             <property name="vexpand">True</property>
             <property name="scrollable">True</property>

cui/uiconfig/ui/menuassignpage.ui

@@ -374,7 +374,7 @@
         <child>
           <object class="GtkComboBoxText" id="commandcategorylist">
             <property name="visible">True</property>
-            <property name="can_focus">True</property>
+            <property name="can_focus">False</property>
             <property name="margin_bottom">4</property>
             <property name="hexpand">True</property>
           </object>
@@ -419,7 +419,7 @@
             <child>
               <object class="GtkComboBoxText" id="savein">
                 <property name="visible">True</property>
-                <property name="can_focus">True</property>
+                <property name="can_focus">False</property>
                 <property name="margin_right">5</property>
                 <property name="hexpand">True</property>
               </object>
@@ -457,7 +457,7 @@
               <object class="GtkComboBoxText" id="toplevellist">
                 <property name="width_request">1</property>
                 <property name="visible">True</property>
-                <property name="can_focus">True</property>
+                <property name="can_focus">False</property>
                 <property name="hexpand">True</property>
               </object>
               <packing>