Prevent date modification from erp backend

[Siddhantsingh1230]

Description

This PR prevents date modification from erp backend

Relevant Technical Choices

• Prevent date modification from erp backend

Testing Instructions

• Go to erp
• Open Timesheet list
• Try Editing start or end date of a timesheet log
• It should not be allowed

Additional Information:

N/A

Screenshot/Screencast

N/A

Checklist

• I have carefully reviewed the code before submitting it for review.
• This code is adequately covered by unit tests to validate its functionality.
• I have conducted thorough testing to ensure it functions as intended.
• A member of the QA team has reviewed and tested this PR (To be checked by QA or code reviewer)