Refactored code to use `server_id` in place of `server` across various modules to improve clarity and consistency. Updated database migrations, schema definitions, API documentation, and templates accordingly. Additionally, fixed related issues in the backup creation and management logic.
Removed outdated Debian, EL7, EL8, and EL9 requirement files. Improved various VIP handling and validation functionalities, including changes to VIP endpoints and associated JavaScript functions. Minor enhancements and bug fixes across multiple modules and views.