Description of problem:

when a workspace fails to start, due to postStart command not exiting within timeout period, the workspace pod gets stuck in Terminating state and never gets deleted, which essentially prevent the underlying worker node from draining

Prerequisites (if any, like setup, operators/versions):

Steps to Reproduce

• create an empty workspace.
• update devfile.yaml so postStart command is a command that never returns such as `sleep inifinity`
• stop the workspace from dasbhoard

Actual results:

Expected results:

Reproducibility (Always/Intermittent/Only Once):

Acceptance criteria: 

Definition of Done:

Build Details:

Additional info (Such as Logs, Screenshots, etc):

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