CaptionBlockComponent:with credit

Build 4295 on ab/caption-darkmode
1200px
Reviewing disabled
The baseline is smaller than the new snapshot (1200x109 to 1346x351).
Baseline History
Build 4295474d131
Current build. There are unaccepted changes, so build 1170 is still the baseline.
Build 1d4223c6
Auto-accepted
Commenting is disabled because there's a newer build on this branch