Refactor UserProfileController to improve null checks and response handling

- Added braces to null checks for user profiles in UserProfileController methods to enhance readability and maintainability.
- Ensured consistent response structure for not found cases across various methods.
- Updated CreateUserProfile and UpdateUserProfile methods to handle entity conflicts and ID mismatches with clearer responses.

Refactor mapping extensions for improved readability

- Added braces to conditional statements in various mapping extension classes to improve code clarity and consistency.
- Ensured that all properties are updated in a more readable format across mapping extensions including AdminActionsMappingExtensions, BanFileMonitorsMappingExtensions, CentralBanFileStatusMappingExtensions, ConnectedPlayersMappingExtensions, GameServersMappingExtensions, MapRotationsMappingExtensions, NotificationsMappingExtensions, PlayersMappingExtensions, RecentPlayersMappingExtensions, TagsMappingExtensions, and UserProfilesMappingExtensions.

Refactor OpenApi document transformers for consistency

- Added braces to conditional statements in StripVersionPrefixTransformer classes for both V1 and V2 to enhance code readability.

Author: frasermolyneux