tdf#124152 Broadcast StyleSheetModified to update style tree list box

...and also make undo redo update

Change-Id: I49d62d487bed27d9dbe2ab813d992d02ecaeb77a
Reviewed-on: https://gerrit.libreoffice.org/72826
Tested-by: Jenkins
Tested-by: Xisco Faulí <xiscofauli@libreoffice.org>
Reviewed-by: Katarina Behrens <Katarina.Behrens@cib.de>

sfx2/source/dialog/templdlg.cxx

@@ -1489,7 +1489,8 @@ void SfxCommonTemplateDialog_Impl::Notify(SfxBroadcaster& /*rBC*/, const SfxHint
     if(!bDontUpdate && nId != SfxHintId::Dying &&
        (dynamic_cast<const SfxStyleSheetPoolHint*>(&rHint) ||
         dynamic_cast<const SfxStyleSheetHint*>(&rHint) ||
-        dynamic_cast<const SfxStyleSheetModifiedHint*>(&rHint)))
+        dynamic_cast<const SfxStyleSheetModifiedHint*>(&rHint) ||
+        nId == SfxHintId::StyleSheetModified))
     {
         if(!pIdle)
         {

sw/source/uibase/app/docst.cxx

@@ -633,6 +633,8 @@ IMPL_LINK_NOARG(ApplyStyle, ApplyHdl, LinkParamNone*, void)
 
     if( m_bNew )
         m_xBasePool->Broadcast(SfxStyleSheetHint(SfxHintId::StyleSheetCreated, *m_xTmp));
+    else
+        m_xBasePool->Broadcast(SfxStyleSheetHint(SfxHintId::StyleSheetModified, *m_xTmp));
 
     pDoc->getIDocumentState().SetModified();
     if( !m_bModified )

sw/source/uibase/shells/basesh.cxx

@@ -539,6 +539,10 @@ void SwBaseShell::ExecUndo(SfxRequest &rReq)
     {
         rReq.SetReturnValue( SfxUInt32Item(nId, static_cast<sal_uInt32>(SID_REPAIRPACKAGE)) );
     }
+    else if (nUndoId == SwUndoId::INSFMTATTR)
+    {
+        rWrtShell.GetDoc()->GetDocShell()->GetStyleSheetPool()->Broadcast(SfxHint(SfxHintId::StyleSheetModified));
+    }
 
     if (pViewFrame) { pViewFrame->GetBindings().InvalidateAll(false); }
 }