fix(user): make first/last name optional and hide empty name in profile

[hariomtiwari-work]

What does this PR change?

• This PR fixes UI inconsistencies related to optional user name fields.

Changes

• Removed required validation and asterisk (*) from First Name and Last Name fields:

  • Create User Dialog
  • New User Page

• Fixed profile display issue:

  • Prevents rendering of undefined undefined
  • Hides Name section if both first and last name are not set

Steps to Reproduce (Before Fix)

1. Create a user without first/last name
2. Open user profile
3. Observe undefined undefined displayed

After Fix

• First Name and Last Name are correctly treated as optional
• No misleading asterisk (*)
• Profile does not display name if not set

Testing

• Created user without name → no errors
• Profile view → no name displayed
• Created user with name → displays correctly

Does the PR depend on any other PRs or Issues? If yes, please list them.

• issues 154

Checklist

I confirm, that I have...

• [ .] Read and followed the contributing guide in CONTRIBUTING.md
• [. ] Added tests for this PR
• [. ] Formatted the code using npm run format (if applicable)
• [ .] Updated documentation on the Paralus docs site (if applicable)
• [. ] Updated CHANGELOG.md