tdf#102139 : avoid switching to the empty tab after exiting the OLE Object

Change-Id: I67c395106d2a24c679cddaddd9aba138388463a5
Reviewed-on: https://gerrit.libreoffice.org/33237Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Szymon Kłos <eszkadev@gmail.com>

vcl/source/control/tabctrl.cxx

@@ -2286,6 +2286,8 @@ void NotebookbarTabControl::SetCurPageId( sal_uInt16 nPageId )
 {
     if ( nPageId != 1 )
         TabControl::SetCurPageId( nPageId );
+    if ( nPageId == GetPageCount() )
+        ImplActivateTabPage( true );
 }
 
 void NotebookbarTabControl::ImplActivateTabPage( bool bNext )