[supervisor] Add desktop IDE backend support

[corneliusludmann]

Description

This PR has the parts of the umbrella PR #6270 that change supervisor backend to support desktop IDE images.

See #6270 (comment) for more info.

Release Notes

NONE

[codecov]

Codecov Report

Merging #6365 (40177c6) into main (16e51a3) will increase coverage by 15.72%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##             main    #6365       +/-   ##
===========================================
+ Coverage   19.04%   34.76%   +15.72%     
===========================================
  Files           2        4        +2     
  Lines         168      975      +807     
===========================================
+ Hits           32      339      +307     
- Misses        134      596      +462     
- Partials        2       40       +38     

Flag	Coverage Δ
components-image-builder-mk3-app	34.76% <ø> (?)
components-local-app-app-linux-amd64	?
components-local-app-app-linux-arm64	?
components-local-app-app-windows-386	?
components-local-app-app-windows-amd64	?
components-local-app-app-windows-arm64	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
components/local-app/pkg/auth/auth.go
components/local-app/pkg/auth/pkce.go
...image-builder-mk3/pkg/orchestrator/orchestrator.go	39.16% <0.00%> (ø)
...ents/image-builder-mk3/pkg/orchestrator/monitor.go	24.90% <0.00%> (ø)
components/image-builder/pkg/resolve/resolve.go	32.65% <0.00%> (ø)
...ents/image-builder-mk3/pkg/orchestrator/metrics.go	48.14% <0.00%> (ø)

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[csweichel]

didn't test, but API changes lgtm

/lgtm

[roboquat]

LGTM label has been added.

Git tree hash: 35b04ae58980ab51633425f85440d497de944bec

[princerachit]

@corneliusludmann are you planning to write test for this? I am not sure how I can test/verify these changes.

[corneliusludmann]

@princerachit Currently, this change can be tested by using the “umbrella PR” #6270 (see also discussion in #6270 (comment)). This PR has all pieces (including the commit of this PR) that are needed to run this.

[akosyakov]

/werft run

👍 started the job as gitpod-build-clu-desktop-ide-supervisor-backend.1

[akosyakov]

/lgtm

tested changed supervisor endpoints and web IDE restart

[roboquat]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: akosyakov, csweichel, princerachit

Associated issue: #6270

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files:

• components/supervisor/OWNERS [akosyakov]
• components/supervisor-api/OWNERS [akosyakov,csweichel]

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