ComboBox:Allows Custom Value

Build 3403 on fix-stories-gaps
Reviewing disabled
The baseline is shorter than the new snapshot (506x122 to 506x158).
Baseline History
Build 3403653dc73 current baseline
Current build. Accepted by Andrey Yamanov.
Build 3402f322201
Inherited baseline identical to build 3401
Build 3401252313d
Accepted by Andrey Yamanov.
Build 3096e2e3cf4
Accepted by Andrey Yamanov.
Build 3056b6f41cc
Accepted by Andrey Yamanov.
Build 281244bb85f
Accepted by Andrey Yamanov.
Commenting is disabled because there's a newer build on this branch