QA:Backwards Compat Grid

Build 523 on layer-layout-component
1200px
Reviewing disabled
The baseline is taller than the new snapshot (950x543 to 950x536).
Baseline History
Build 5236ca7551
Current build. There are unaccepted changes, so build 489 is still the baseline.
Build 4888c98674
Accepted by Alina Visan.
Commenting is disabled because there's a newer build on this branch