tdf#121005 forcepoint#44 merge into isDeleteForbidden

Reviewed-on: https://gerrit.libreoffice.org/55355Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
(cherry picked from commit c6222fb6)

Change-Id: If7ce44786975c5f9bdc9e64d16274728b03bed32
Reviewed-on: https://gerrit.libreoffice.org/62629
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
(cherry picked from commit ba4861a0)

sw/source/core/layout/pagechg.cxx

@@ -1217,6 +1217,8 @@ namespace
 {
     bool isDeleteForbidden(const SwPageFrame *pDel)
     {
+        if (pDel->IsDeleteForbidden())
+            return true;
         const SwLayoutFrame* pBody = pDel->FindBodyCont();
         const SwFrame* pBodyContent = pBody ? pBody->Lower() : nullptr;
         return pBodyContent && pBodyContent->IsDeleteForbidden();