tab-fill used in widget that isn't a tab

Change-Id: I1e2f112e0ca4c232d486d3f0426c70db0d3907c7
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/106991
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/sw/uiconfig/swriter/ui/notebookbar.ui b/sw/uiconfig/swriter/ui/notebookbar.ui
index 3a5e5b1..6b19bef 100644
--- a/sw/uiconfig/swriter/ui/notebookbar.ui
+++ b/sw/uiconfig/swriter/ui/notebookbar.ui
@@ -12485,7 +12485,6 @@
              </object>
              <packing>
                <property name="position">8</property>
                <property name="tab_fill">False</property>
              </packing>
            </child>
            <child type="tab">