feat(@xen-orchestra/rest-api): dashboard enpoint can return a stream

[MathieuRA]

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Description

review only the front or back commit, depends on the team you work in

wait for #8580

by using stream instead sync HTTP request, data is displayed when they are ready and not when all data are ready
Also added more value in cache

• Back
  • the endpoint can return a stream
  • Added missing info in the endpoint (vms status, hosts status)
  • Removed getFromAsyncCache
• Front
  • Updated store to handle ndjson requests
  • fix being able to have parallel requests on the same endpoint
  • Updated dashboard component to display data as soon as it's ready

Checklist

• Commit
  • Title follows commit conventions
  • Reference the relevant issue (Fixes #007, See xoa-support#42, See https://...)
  • If bug fix, add Introduced by
• Changelog
  • If visible by XOA users, add changelog entry
  • Update "Packages to release" in CHANGELOG.unreleased.md
• PR
  • If UI changes, add screenshots
  • If not finished or not tested, open as Draft

Review process

This 2-passes review process aims to:

• develop skills of junior reviewers
• limit the workload for senior reviewers
• limit the number of unnecessary changes by the author

1. The author creates a PR.
2. Review process:
   1. The author assigns the junior reviewer.
   2. The junior reviewer conducts their review:
      • Resolves their comments if they are addressed.
      • Adds comments if necessary or approves the PR.
   3. The junior reviewer assigns the senior reviewer.
   4. The senior reviewer conducts their review:
      • If there are no unresolved comments on the PR → merge.
      • Otherwise, we continue with 3.
3. The author responds to comments and/or makes corrections, and we go back to 2.

Notes:

1. The author can request a review at any time, even if the PR is still a Draft.
2. In theory, there should not be more than one reviewer at a time.
3. The author should not make any changes:
   • When a reviewer is assigned.
   • Between the junior and senior reviews.

[MathieuRA]

Suggested change

	res.setHeader('Content-Type', 'application/ndjson')
	res.setHeader('Content-Type', 'application/x-ndjson')