Add order bookings functionality with permissions and access control

- Introduced `order_bookings_o` class for interacting with the `order_bookings` database table.
- Added `hasDepartmentAccess` method to handle department-level permissions.
- Implemented new routes for creating and retrieving order bookings, including pagination support.
- Enhanced access control to differentiate between own and departmental bookings based on permissions.
- Updated input validation and improved error handling for order bookings.

services/nginx/app/traits/route_t.php

@@ -217,6 +217,18 @@ trait route_t
         self::requirePermission('department_access_' . $department . ($permission ? '_' . $permission : ''));
     }
 
+    /**
+     * Has department access?
+     * @note This checks if the user has access to the department by checking if the user has the permission department_access_{department} (_{permission} if provided)
+     * @param string $department
+     * @param string|null $permission
+     * @return bool
+     */
+    public function hasDepartmentAccess(string $department, string|null $permission = null): bool
+    {
+        return self::hasPermission('department_access_' . $department . ($permission ? '_' . $permission : ''));
+    }
+
     /**
      * Require permission
      * @param string $permission