fix error message for /verify/resend route

[Topman-14]

This is a quick fix for the 200 status code being returned when a resend verification fails due to an internal server error.

Description

affected files - controllers/UserController/messaging.ts, services/UserService/index.ts
route - /verify/resend
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Motivation and Context

This PR allows for proper error handling and toast notification on the front-end.
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Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
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Testing

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[Topman-14]

@pesova please help me check and merge 🙏🏾