speed up tab-switching in a calc document with a lot of graphic objects

if we are in the destructor, and we have never painted the object in
question, then we don't need to do an expensive object-range calculation
and invalidation

Change-Id: I857c3d927142f4e90d54f79fa6c293731382f0d9
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/152424
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

0 files changed, 0 insertions, 0 deletions