Fix last tile bottom calculation

Use the unoverriden height for tiles (only relevant for tiles in QS
while expanding for QQS). This way, we get the bottom after animations
will be finished.

Test: manual, with media and in split shade
Fixes: 231399422
Change-Id: Ib67dcb09e3b97ea3dbb27a92d2a14bc00fc64b6e
1 file changed