FieldWrapper:Split Label With Tooltip

Build 2669 on fix-layout-issues
Reviewing disabled
Baseline History
Build 2669789482f
Current build. There are unaccepted changes, so build 2427 is still the baseline.
Build 2427e3bbd7e current baseline
Accepted by Andrey Yamanov.
Build 241589b9407
Auto-accepted
Commenting is disabled because there's a newer build on this branch