feat: Auto enable dev workspace engine after olm channel migration

[AndrienkoAleksandr]

What does this PR do?

feat: Auto enable dev workspace engine after olm channel migration

Screenshot/screencast of this PR

What issues does this PR fix or reference?

Some part of the eclipse-che/che#20629

How to test this PR?

cat EOF << > /tmp/patch.yaml
<PATCH_CONTENT>
EOF

chectl server:deploy \
     --installer operator \
     --platform <PLATFORM_TO_DEPLOY> \
     --che-operator-image <CUSTOM_OPERATOR_IMAGE> \
     --che-operator-cr-patch-yaml /tmp/patch.yaml

PR Checklist

As the author of this Pull Request I made sure that:

• The Eclipse Contributor Agreement is valid
• Code produced is complete
• Code builds without errors
• Tests are covering the bugfix
• Custom resource definition file is up to date
• OLM bundles are up to date
• The repository devfile is up to date and works
• Sections What issues does this PR fix or reference and How to test this PR completed
• Relevant user documentation updated
• Relevant contributing documentation updated
• CI/CD changes implemented, documented and communicated

Reviewers

Reviewers, please comment how you tested the PR when approving it.

[openshift-ci]

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This pull-request has been approved by: AndrienkoAleksandr

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[AndrienkoAleksandr]

/retest

[codecov]

Codecov Report

Merging #1160 (4edf902) into main (4de5df7) will decrease coverage by 0.08%.
The diff coverage is 18.75%.

@@            Coverage Diff             @@
##             main    #1160      +/-   ##
==========================================
- Coverage   57.39%   57.31%   -0.09%     
==========================================
  Files          74       75       +1     
  Lines        8645     8658      +13     
==========================================
  Hits         4962     4962              
- Misses       3143     3155      +12     
- Partials      540      541       +1     

Impacted Files	Coverage Δ
controllers/che/checluster_controller.go	24.46% <0.00%> (-0.24%)	⬇️
pkg/deploy/defaults.go	51.45% <ø> (ø)
pkg/util/namespace_provider.go	0.00% <0.00%> (ø)
pkg/deploy/dev-workspace/dev_workspace.go	69.44% <100.00%> (ø)

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[tolusha]

As far as I understand, DevWorkspace is not enabled after switching from one channel to another.
But the code above says nothing about channels but namespaces, so I would put this into migration doc.

[tolusha]

Must be a part of eclipse-che/che#20614