Add label to RayCluster if owned by AppWrapper

[ChristianZaccaria]

Issue link

Part of: https://issues.redhat.com/browse/RHOAIENG-14731

What changes have been made

• When AppWrapper is True in ClusterConfiguration, a label is added to the RayCluster on creation.

This change is required to identify if the RayCluster is owned by an AppWrapper.

Verification steps

Checks

• I've made sure the tests are passing.
• Testing Strategy
  • Unit tests
  • Manual tests
  • Testing is not required for this change

[openshift-ci]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.05%. Comparing base (003a287) to head (941e1e3).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #771   +/-   ##
=======================================
  Coverage   93.04%   93.05%           
=======================================
  Files          36       36           
  Lines        2402     2404    +2     
=======================================
+ Hits         2235     2237    +2     
  Misses        167      167           

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[Bobbins228]

Would we do better with app.kubernetes.io/managed-by: appwrapper?
Seems to be the recommended labeling scheme

[ChristianZaccaria]

Closed as not required, AppWrapper ownerReference is added before creation.
[Link]