Refactor and enhance device management and authentication features

- Updated the `reverse_dhivehi_string` function to correct the range for combining characters.
- Added new device handling in the health check view and integrated the `add_new_devices_to_omada` task.
- Improved date handling in `CreateTemporaryUserView` to ensure proper string conversion.
- Enhanced OTP sending by converting mobile numbers to strings.
- Implemented MAC address validation in the `Device` model using a custom validator.
- Removed unnecessary fields from the `CreateDeviceSerializer`.
- Normalized MAC address format in the `DeviceListCreateAPIView`.
- Updated the `djangopasswordlessknox` package to improve code consistency and readability.
- Added migration to enforce MAC address validation in the database.

api/permissions.py

@@ -27,6 +27,8 @@ class IsStaffEditorPermission(permissions.DjangoModelPermissions):
 
         # Check permissions based on the request method
         perms = self.perms_map.get(request.method, [])
-        perms = [perm % {'app_label': app_label, 'model_name': model_name} for perm in perms]
+        perms = [
+            perm % {"app_label": app_label, "model_name": model_name} for perm in perms
+        ]
 
         return request.user.has_perms(perms)