We need to know the client's view level to correctly handle the mouse
events in calc. PaintTile() set a zoom level that corresponds to the
requested tiles and previously postMouseEvent would call SetZoom(1,1).
Now we can make use of knowing the client's view level and call
SetZoom() with the correct parameters

Change-Id: I34b5afcdcc06a671a8ac92c03e87404e42adf4cd

Conflicts:
	sc/source/ui/unoobj/docuno.cxx