fix start center rendering (removing selection)

Change-Id: I3f09808e43d379f473360f3746302a5d65fb8b38
Reviewed-on: https://gerrit.libreoffice.org/16356Reviewed-by: Jan Holesovsky <kendy@collabora.com>
Tested-by: Jan Holesovsky <kendy@collabora.com>

sfx2/source/control/thumbnailviewitem.cxx

@@ -154,7 +154,7 @@ Rectangle ThumbnailViewItem::updateHighlight(bool bVisible, const Point& rPoint)
     }
     else
     {
-        if (isHighlighted())
+        if (isHighlighted() || mpTitleED->SupportsDoubleBuffering())
             bNeedsPaint = true;
         setHighlight(false);
     }