fix: return current context for a given list of kube configs (#23712)

[adietish]

fixes eclipse-che/che#23712

[codecov-commenter]

Codecov Report

❌ Patch coverage is 61.53846% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 25.43%. Comparing base (71098f6) to head (e36fe3b).
⚠️ Report is 284 commits behind head on main.

Files with missing lines	Patch %	Lines
...hat/devtools/gateway/kubeconfig/KubeConfigUtils.kt	61.53%	0 Missing and 5 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##            main     #243       +/-   ##
==========================================
+ Coverage   0.00%   25.43%   +25.43%     
==========================================
  Files          4       40       +36     
  Lines         26     2092     +2066     
  Branches       0      429      +429     
==========================================
+ Hits           0      532      +532     
- Misses        26     1484     +1458     
- Partials       0       76       +76     

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[adietish]

@vrubezhny please review