#i123198# catch and ignore uno exceptions in sfx2::sidebar::TabBar::Item::HandleClick()

Patch by: Herbert Duerr
Scenario found by: Thorsten Wagner

sfx2/source/sidebar/TabBar.cxx

@@ -309,7 +309,12 @@ Image TabBar::GetItemImage (const DeckDescriptor& rDeckDescriptor) const
 
 IMPL_LINK(TabBar::Item, HandleClick, Button*, EMPTYARG)
 {
-    maDeckActivationFunctor(msDeckId);
+    try
+    {
+        maDeckActivationFunctor(msDeckId);
+    }
+    catch( const ::com::sun::star::uno::Exception&) {} // workaround for #i123198#
+
     return 1;
 }