- Updated namespace for `ResetEmailTemplateCommand` and added a constructor for flexible initialization.
- Introduced `ChangedWhen` property in `UpdateEmailTemplateCommand` to track modification time.
- Refactored `UpdateEmailTemplateCommandHandler` for improved email template retrieval logic.
- Modified `EmailTemplateController` method signatures and logic for clarity and consistency.
- Added `EmailTemplate` entry in `appsettings.json` for database trigger configuration.
Introduced `ResetEmailTemplateCommand` and `ResetEmailTemplateCommandHandler`, replacing the previous `ResetEnvelopeTemplateCommand` and its handler. Updated the controller to utilize the new command, ensuring consistent mapping and command sending.