fix(models): Ensure interface host matches access list host

Move validation to the `save` method to enforce that the assigned
interface's host matches the access list's host before saving.
This replaces validation in the `clean` method for better data integrity
enforcement.

Author: pheus

netbox_acls/models/access_lists.py

@@ -155,20 +155,20 @@ def get_absolute_url(self):
             args=[self.pk],
         )
 
-    def clean(self):
-        super().clean()
-
-        # Get the model type of the assigned interface.
-        if self.assigned_object_type.model_class() == VMInterface:
-            interface_host = self.assigned_object.virtual_machine
-        elif self.assigned_object_type.model_class() == Interface:
-            interface_host = self.assigned_object.device
-        # Check if the assigned interface's host is the same as the host assigned to the access list.
-        if interface_host != self.access_list.assigned_object:
+    def save(self, *args, **kwargs):
+        """Saves the current instance to the database."""
+        # Ensure the assigned interface's host matches the host assigned to the access list.
+        if self.assigned_object.parent_object != self.access_list.assigned_object:
             raise ValidationError(
-                {"assigned_object": _("The assigned object must be the same as the device assigned to it.")}
+                {
+                    "assigned_object": _(
+                        "The assigned interface must belong to the same device or virtual machine as the access list."
+                    )
+                },
             )
 
+        super().save(*args, **kwargs)
+
     def get_direction_color(self):
         return ACLAssignmentDirectionChoices.colors.get(self.direction)