Merged requested to merge ce-1984-frontend-for-batch-comments into master
What does this MR do?
Backports CE changes from https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/7376
What are the relevant issue numbers?
(this doesn't close it)
Does this MR meet the acceptance criteria?
Changelog entry added, if necessary
Tests added for this feature/bug
Conforms to the code review guidelines
Conforms to the merge request performance guidelines
Conforms to the style guides
Conforms to the database guides