UI - Add Detail Comment (Part 2)

[severinbeauvais]

Description:

This ticket exists to:

• make any final changes to the Add Detail Comment functionality (from UI - Attach Prototype for backend #2625)
• flatten the comments array done in UI - Attach Prototype for backend #2625
• ensure comments are sorted latest to earliest
• reload just the new comments, not the whole dashboard
• possibly restore LaunchDarkly code (see bcgov/business-filings-ui@d7d23b7) not at this time
• fix and enhance the unit tests

Acceptance for a Task:

• Requires deployments
• Add/ maintain selectors for QA purposes
• Test coverage acceptable
• Linters passed
• Peer Reviewed
• PR Accepted
• Production burn in completed

[severinbeauvais]

Testing Notes

Although this task mostly updated the unit tests, a few collateral things were fixed too. So please verify:

• detail comments are now explicitly sorted newest to oldest (the API previously returned them this way but it's not guaranteed due to possible inline caching -- anyway it will be hard to tell a difference but order should be correct no matter what)
• when adding a detail comment, the textarea should initially have focus (so you can just start typing, no need to click into it first)
• when saving a detail comment, just the comments for the subject filing should be updated; the whole dashboard is not reloaded
• the app name and version is now displayed in the dev console when the app starts see UIs should display their version number #2555
• resuming a draft AR was touched but should still work
• resuming a draft COD was touched but should still work
• resuming a draft COA was touched but should still work

[JohnamLane]

Verified in DEV.