template dialog starts in thumbnail view without thumbnail shown toggled

and only toggled thumbnail toggle to on if it wasn't already in that
mode, so default it toggled on in the .ui so it matches the initial
setting

Change-Id: I8c64014880d6f7ca4d6043bfef32b90040745dbb
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/120117
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/sfx2/uiconfig/ui/templatedlg.ui b/sfx2/uiconfig/ui/templatedlg.ui
index 5184621..45ab979 100644
--- a/sfx2/uiconfig/ui/templatedlg.ui
+++ b/sfx2/uiconfig/ui/templatedlg.ui
@@ -467,6 +467,7 @@
                    <property name="image">image8</property>
                    <property name="relief">none</property>
                    <property name="always-show-image">True</property>
                    <property name="active">True</property>
                  </object>
                  <packing>
                    <property name="expand">False</property>