Layout:Panel With Transition

Build 2621 on feat-button-rework
Reviewing disabled
Baseline History
Build 2621a5789a0 current baseline
Current build. Accepted by Andrey Yamanov.
Build 2620b97f72e
Ancestor build. There were unaccepted changes, so this was not used as a baseline.
Build 2616974b8af
Inherited baseline identical to build 2614
Build 2614733cf85
Accepted by Andrey Yamanov.
Build 26065e26c44
Accepted by Andrey Yamanov.
Build 25719ff752e
Accepted by Andrey Yamanov.
Build 256955bebe4
Auto-accepted
Commenting is disabled because there's a newer build on this branch