Fix JSDoc in InputClaimModel

[gproanomsft]

Problem: The JSDoc in InputClaimModel was not accurate

Solution: Fix the JSDoc

Validation: n/a

Type of change:

• [ ] Feature work
• [ ] Bug fix
• [ x] Documentation
• [ ] Engineering change
• [ ] Test
• [ ] Logging/Telemetry

Risk:

• [ ] High – Errors could cause MAJOR regression of many scenarios. (Example: new large features or high level infrastructure changes)
• [ ] Medium – Errors could cause regression of 1 or more scenarios. (Example: somewhat complex bug fixes, small new features)
• [ x] Small – No issues are expected. (Example: Very small bug fixes, string changes, or configuration settings changes)

Work Item links: https://identitydivision.visualstudio.com/Engineering/_workitems/edit/1137332

Documentation Links: Please include here links to any related background documentation for this PR.