Fix TeamsMeetingPolicy's missing Parameter 'RoomAttributeUserOverride'

[WavingReader]

Pull Request (PR) description

Added missing Parameter 'RoomAttributeUserOverride' to Get-TargetResource's output

This Pull Request (PR) fixes the following issues

• Fixes #6183

Task list

• [x] Added an entry to the change log under the Unreleased section of the file CHANGELOG.md. Entry should say what was changed and how that affects users (if applicable), and reference the issue being resolved (if applicable).
• [ ] Resource parameter descriptions added/updated in the schema.mof.
• [ ] Resource documentation added/updated in README.md.
• [ ] Resource settings.json file contains all required permissions.
• [ ] Examples appropriately added/updated.
• [x] Unit tests added/updated.
• [ ] New/changed code adheres to DSC Community Style Guidelines.