chore: Add user with id 1234 to /etc/passwd

[tolusha]

What does this PR do?

This PR adds a user entry with UID 1234 to the /etc/passwd file in the project-clone container image, ensuring that when the project-clone container runs on Kubernetes with the default security context, the user exists in the system's user database

devworkspace-operator/pkg/config/defaults.go

Line 95 in a839988

RunAsUser: pointer.Int64(1234),

What issues does this PR fix or reference?

eclipse-che/che#23660

Is it tested? How?

1. Deploy Che on minikube
2. Add ssh keys and start a workspace from git ssh url, check that project failed to clone
3. Build image and update DWO deployment env var to set a new project clone image
4. Start a workpace, check that project cloned successfully.

PR Checklist

• E2E tests pass (when PR is ready, comment /test v8-devworkspace-operator-e2e, v8-che-happy-path to trigger)
  • v8-devworkspace-operator-e2e: DevWorkspace e2e test
  • v8-che-happy-path: Happy path for verification integration with Che

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[rohanKanojia]

I have minor question, we’re now overwriting /etc/passwd with a single entry. Are we okay with replacing the file entirely? Just want to make sure there isn’t any other content the base image depends on

[tolusha]

Nice catch.
Oh, It must be >>

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dkwon17, tolusha

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