Layout:Panel As Dialog

Build 2614 on feat-layout-auto-border
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Baseline History
Build 2614733cf85
Current build. There are unaccepted changes, so build 2606 is still the baseline.
Build 26065e26c44 current baseline
Accepted by Andrey Yamanov.
Build 25908b2abc8
Auto-accepted
Commenting is disabled because there's a newer build on this branch