feat: enable internal cluster SVC names usage by default

[tolusha]

Signed-off-by: Anatolii Bazko abazko@redhat.com

What does this PR do?

1. Deprecate useInternalClusterSVCNames field
2. Introduce disableInternalClusterSVCNames without default value which enables internal cluster SVC names usage by default on the cluster

Screenshot/screencast of this PR

N/A

What issues does this PR fix or reference?

eclipse-che/che#19726

How to test this PR?

N/A

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
• Nightly OLM bundle is 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]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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

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[codecov]

Codecov Report

Merging #919 (4b7aeeb) into main (e29484f) will increase coverage by 0.13%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #919      +/-   ##
==========================================
+ Coverage   49.66%   49.79%   +0.13%     
==========================================
  Files          56       56              
  Lines        6669     6669              
==========================================
+ Hits         3312     3321       +9     
+ Misses       3009     2996      -13     
- Partials      348      352       +4     

Impacted Files	Coverage Δ
pkg/controller/che/proxy.go	61.11% <100.00%> (ø)
...kg/deploy/identity-provider/deployment_keycloak.go	55.20% <100.00%> (+1.71%)	⬆️
pkg/deploy/server/server_configmap.go	85.50% <100.00%> (-1.00%)	⬇️

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[openshift-ci]

New changes are detected. LGTM label has been removed.

[tolusha]

/retest