Related: tdf#77919 GetPosPixel() is relative to parent, not grandparent

so the tooltip rectangle is wrong and doesn't shown under mutter

we could use pCtrl->OutputToScreenPixel(Point(0, 0)) here too

Change-Id: I75a717127ad75a4aac2cb9c22e526419f798ea99
Reviewed-on: https://gerrit.libreoffice.org/52654Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Stahl <Michael.Stahl@cib.de>
(cherry picked from commit 7d95ef51)

sw/source/ui/index/cnttab.cxx

@@ -3477,7 +3477,7 @@ bool SwTokenWindow::CreateQuickHelp(Control const * pCtrl,
                                 (ToxAuthorityField) rToken.nAuthorityField);
         }
 
-        Point aPos = OutputToScreenPixel(pCtrl->GetPosPixel());
+        Point aPos = m_pCtrlParentWin->OutputToScreenPixel(pCtrl->GetPosPixel());
         tools::Rectangle aItemRect( aPos, pCtrl->GetSizePixel() );
         if ( rToken.eTokenType != TOKEN_TAB_STOP )
         {