ComboBox:Clear On Blur

Build 2295 on feat-combobox
Reviewing disabled
The baseline is larger than the new snapshot (1184x884 to 1033x512).
Baseline History
Build 2295ac2074d current baseline
Current build. Accepted by Andrey Yamanov.
Build 2283fea4349
Auto-accepted
Commenting is disabled because there's a newer build on this branch