- Enhanced Notifications component tests to include support for Discord, Gotify, and Webhook provider types.
- Updated test cases to validate the correct handling of provider type options and ensure proper payload structure during creation, preview, and testing.
- Introduced new tests for Gotify token handling and ensured sensitive information is not exposed in the UI.
- Refactored existing tests for clarity and maintainability, including improved assertions and error handling.
- Added comprehensive coverage for payload validation scenarios, including malformed requests and security checks against SSRF and oversized payloads.
