chore: update devFlags logic

[zdtsw]

• we should consider when user enable devFlags some parameters set need to be kept e.g namespaces past to params.env
• deprecated som devflags(), move into initialize() and set customized value after devFlag logic is called
• use GetDevFlags() instead

follow up convesation from #1744 (comment)

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 72 lines in your changes missing coverage. Please review.

Project coverage is 23.99%. Comparing base (015c546) to head (3149477).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...ponents/modelcontroller/modelcontroller_actions.go	0.00%	24 Missing ⚠️
...mponents/codeflare/codeflare_controller_actions.go	0.00%	21 Missing ⚠️
...ntrollers/components/ray/ray_controller_actions.go	0.00%	19 Missing ⚠️
...mponents/dashboard/dashboard_controller_actions.go	0.00%	1 Missing ⚠️
...pelines/datasciencepipelines_controller_actions.go	0.00%	1 Missing ⚠️
.../feastoperator/feastoperator_controller_actions.go	0.00%	1 Missing ⚠️
...llers/components/kueue/kueue_controller_actions.go	0.00%	1 Missing ⚠️
...ents/modelcontroller/modelcontroller_controller.go	0.00%	1 Missing ⚠️
...ingoperator/trainingoperator_controller_actions.go	0.00%	1 Missing ⚠️
...components/trustyai/trustyai_controller_actions.go	0.00%	1 Missing ⚠️
... and 1 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1749      +/-   ##
==========================================
+ Coverage   23.95%   23.99%   +0.03%     
==========================================
  Files         171      172       +1     
  Lines       11662    11691      +29     
==========================================
+ Hits         2794     2805      +11     
- Misses       8590     8606      +16     
- Partials      278      280       +2     

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