What does this MR do?
- Shows only the first deploy board open by default
- For that deploy board renders a loading spinner before starting the request to improve UX
Screenshots (if relevant)
Does this MR meet the acceptance criteria?
Changelog entry added, if necessary
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)
What are the relevant issue numbers?
Closes #3328 (closed)