Auto assignment of group from using catalog variable choices

[Suri123789]

PR Description:

Eliminates manual group assignment by deriving Assignment Group from user input.
Maintains accurate group reference updates within catalog variable data.

Pull Request Checklist

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[ravichandra1998g]

This PR contains duplicate files.

Please check.

[ravichandra1998g]

Thanks for your submission. It appears that this pull request contains more files than described in the title.
Please review and update the pull request to either remove the extra/unintended files
Ensure your contributions are meaningful and adhere to the project’s standards. [If applicable: You can create a new branch on your forked repository to avoid accidental inclusions of new commits in the future.]. Closing this for now. Once you make additional changes, feel free to create a new one.