fdo#86557: svx: fix crash when creating new "XML Form Document"

Strangely it doesn't crash on Linux.

(regression from 713735fc)

Change-Id: Ie29c795f5edec7d8fdf949027359c0c509edb15c

extras/source/glade/libreoffice-catalog.xml.in

@@ -776,7 +776,7 @@
     <glade-widget-class title="Statusbar" name="svxlo-StatusBar"
                         generic-name="Statusbar" parent="GtkStatusbar"
                         icon-name="widget-gtk-statusbar"/>
-    <glade-widget-class title="DataTreeListBox" name="svxlo-DataTreeListBox"
+    <glade-widget-class title="DataTreeListBox" name="svxcorelo-DataTreeListBox"
                         generic-name="DataTreeListBox" parent="GtkTreeView"
                         icon-name="widget-gtk-treeview"/>
 

svx/uiconfig/ui/xformspage.ui

@@ -94,7 +94,7 @@
       </packing>
     </child>
     <child>
-      <object class="svxlo-DataTreeListBox" id="items:border">
+      <object class="svxcorelo-DataTreeListBox" id="items:border">
         <property name="visible">True</property>
         <property name="can_focus">True</property>
         <property name="hexpand">True</property>