fdo#73617 sc: Don't update the gui during live preview

Apart from (apparently) being not necessary, it creates
bugs like this one. If the selection consist of multiple
fonts, it leads to clearing the font name box, which in
turn leads to scrolling the list up.

Change-Id: I8e702b9b4d4a1f7ad1ded5de1a5e162f039f6d4d

sc/source/ui/view/viewfunc.cxx

@@ -2787,7 +2787,6 @@ void ScViewFunc::UpdateSelectionArea( const ScMarkData& rSel, ScPatternAttr* pAt
         nEndCol,   nEndRow,   nEndTab,
         PAINT_GRID, nExtFlags | SC_PF_TESTMERGE );
     ScTabViewShell* pTabViewShell = GetViewData().GetViewShell();
-    pTabViewShell->CellContentChanged();
     pTabViewShell->AdjustBlockHeight(false, const_cast<ScMarkData*>(&rSel));
 }