Fix saving attributes for object to DB (#22000)

frigate/track/tracked_object.py

@@ -376,7 +376,10 @@ class TrackedObject:
         )
         return (thumb_update, significant_change, path_update, autotracker_update)
 
-    def to_dict(self) -> dict[str, Any]:
+    def to_dict(
+        self,
+        attribute_model_names: list[str] | None = None,
+    ) -> dict[str, Any]:
         event = {
             "id": self.obj_data["id"],
             "camera": self.camera_config.name,
@@ -411,6 +414,11 @@ class TrackedObject:
             "path_data": self.path_data.copy(),
             "recognized_license_plate": self.obj_data.get("recognized_license_plate"),
         }
+        if attribute_model_names is not None:
+            for name in attribute_model_names:
+                value = self.obj_data.get(name)
+                if value is not None:
+                    event[name] = value
 
         return event