Remove middlewares when removing the feature flag from Extention Requests

[ahsrah7]

Issue Description

Remove the skipAuthorizeRolesUnderFF & authorizeRoles middleware when removing the feature flag from edit Extension Requests flow that is added on the below mentioned PR

• Allow user to edit Extension Requests before approval #2215

Expected Behavior

Current Behavior

Screenshots

Reproducibility

• This issue is reproducible
• This issue is not reproducible

Steps to Reproduce

Severity/Priority

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• High
• Medium
• Low

Additional Information

Checklist

• I have read and followed the project's code of conduct.
• I have searched for similar issues before creating this one.
• I have provided all the necessary information to understand and reproduce the issue.
• I am willing to contribute to the resolution of this issue.