Found when verifying T281716: [BUG] Add a link: Help panel incorrectly detects that user is in the source editor. The issue is in production - testwiki wmf.5.
- A user with a default option for an editor ("Remember my last editor") selects any task type (except Add link).
- A user goes to an article and switches to "Edit source". The Help panel will display a label, not a message:
wmf.4 displays the message correctly:
(2) mobile only for suggested Add link task