fix problematic calc object selection after object create (at non 100% zoom)

sometimes difficult to select custom shapes etc. created at non 100% zoom
levels. workaround was to use selection tool to select an area.

Change-Id: I112a60ebf37a37b16f6af5e70358853088e648a8

svx/source/svdraw/svdobj.cxx

@@ -943,6 +943,7 @@ void SdrObject::RecalcBoundRect()
                 aOutRect = Rectangle(
                         (sal_Int32)floor(aRange.getMinX()), (sal_Int32)floor(aRange.getMinY()),
                         (sal_Int32)ceil(aRange.getMaxX()), (sal_Int32)ceil(aRange.getMaxY()));
+                aOutRect -= GetGridOffset(); // don't include grid offset
                 return;
             }
         }