feat: remove FailedScheduling event from list of unrecoverable worksp…

[mkuznyetsov]

…ace pod events

What does this PR do?

What issues does this PR fix or reference?

#1280

Is it tested? How?

create a workspace with exceeding resource requests/limits (modified samples/plain.yaml):

apiVersion: workspace.devfile.io/v1alpha2
metadata:
  name: plain-devworkspace
spec:
  started: true
  routingClass: 'basic'
  template:
    components:
      - name: web-terminal
        container:
          image: quay.io/wto/web-terminal-tooling:next
          memoryRequest: 1000Gi
          memoryLimit: 1000Gi
          mountSources: true
          command:
           - "tail"
           - "-f"
           - "/dev/null"

check the workspace status, which will keep trying to start workspace, until it times out in 5 minutes:

[16:41:05] mykhailo@~/projects/devworkspace-operator$ kubectl get dw
plain-devworkspace   workspaceb6a633cbe27141fe   Failed   DevWorkspace failed to progress past step 'Waiting for workspace deployment' for longer than timeout (5m)

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]

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[AObuchow]

@mkuznyetsov is this PR still a work in progress or ready for review? If it's ready for review, please add some test instructions (e.g. provide a workspace that normally would cause a FailedScheduling event) :)

[mkuznyetsov]

Alternative PR, where this event is simply added to ignoredUnrecoverableEvents list by default #1310