UR-3242 Fix - Checkbox value not check while using ampersand in checkbox value

[riteelama]

All Submissions:

• Have you followed the User Registration Contributing guideline?
• Does your code follow the WordPress' coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

While using ampersand sign for the checkbox value, its value was not set in User's edit page and in the WP Users' user edit page. This PR fixes the issue.

Closes # .

How to test the changes in this Pull Request:

1. Create a form using & in the checkbox value or you can use this form for your reference:
   register-to-bid-(imported)-2025-10-28_01_02_59.json

2. Register a user using this form then go to URM > Users > Select the user > Edit and check if the checkbox is checked or not.

3. Also check in WP users page.

Types of changes:

• Bug fix (non-breaking change which fixes an issue)
• Enhancement (modification of the currently available functionality)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you successfully ran tests with your changes locally?
• Have you updated the documentation accordingly?

Changelog entry

Fix - Checkbox value not check while using ampersand in checkbox value.

[iamprazol]

LGTM !! 👍