show loading indicator while waiting for assignees first fetch
What does this MR do?
- Assignees section tiny and empty when first loaded
- "Assign to me" shown before Assignee loaded
Are there points in the code the reviewer needs to double check?
- is there a preferred way to flag the initial "don't display yet" state?
isFetchingcould be more accurately called
- should Time Tracking be updated to do this as well?
Screenshots (if relevant)
Does this MR meet the acceptance criteria?
- Changelog entry added, if necessary
[ ] Documentation created/updated [ ] API support added
- Added for this feature/bug
- All builds are passing
- Conform by the merge request performance guides
- Conform by the style guides
Branch has no merge conflicts with
master(if it does - rebase it please)
- Squashed related commits together
What are the relevant issue numbers?