Rich Text Editor:Rich Text Editor Sizing

Build 8822 on users/aagash/mention-popup-in-editor
1200px
Reviewing disabled
Baseline History
Build 882277f3a8c
Current build. There are unaccepted changes, so build 7872 is still the baseline.
Build 73084ca3caa
Accepted by Vivin Krishna.
Build 71060b58903
Accepted by vikisekarNI.
Commenting is disabled because there's a newer build on this branch