Mark line comments on a MR as resolved.
This would be a button that is shown on any line comments of a MR.
[Resolve] / [Resolved]
It would be visible on non-collapsed comments, but also on collapsed comments.
Discussion out of date but unresolved / Discussion out of date and resolved
We can have a counter on top, showing how many of the total comments are resolved, with a button to resolve all line comments
[Resolve all line comments] 4/10 line comments resolved
Should automatically email the subscribers when everything is resolved
Job resolved all line comments on MR 123