ComboBox:Clear On Blur

Build 3055 on feat-new-notifications
Reviewing disabled
The baseline is larger than the new snapshot (1033x512 to 866x124).
Baseline History
Build 305582f55d4
Current build. There are unaccepted changes, so build 2812 is still the baseline.
Build 281244bb85f current baseline
Accepted by Andrey Yamanov.
Build 27558edd72b
Accepted by Andrey Yamanov.
Build 2427e3bbd7e
Accepted by Andrey Yamanov.
Build 2295ac2074d
Accepted by Andrey Yamanov.
Commenting is disabled because there's a newer build on this branch