verify the frame for embeddings object updates

Tracked object events only carried the object's own frame_time, which stays at its last detection when the object isn't detected in a frame, so embeddings couldn't check the slot it read and could crop face or plate data from a frame that had already been overwritten. Events now carry the time of the frame they name, and embeddings passes it to `get()`.

frigate/comms/events_updater.py

@@ -8,7 +8,16 @@ from .zmq_proxy import Publisher, Subscriber
 
 
 class EventUpdatePublisher(
-    Publisher[tuple[EventTypeEnum, EventStateEnum, str | None, str, dict[str, Any]]]
+    Publisher[
+        tuple[
+            EventTypeEnum,
+            EventStateEnum,
+            str | None,
+            str,
+            dict[str, Any],
+            float | None,
+        ]
+    ]
 ):
     """Publishes events (objects, audio, manual)."""
 
@@ -19,7 +28,14 @@ class EventUpdatePublisher(
 
     def publish(
         self,
-        payload: tuple[EventTypeEnum, EventStateEnum, str | None, str, dict[str, Any]],
+        payload: tuple[
+            EventTypeEnum,
+            EventStateEnum,
+            str | None,
+            str,
+            dict[str, Any],
+            float | None,
+        ],
         sub_topic: str = "",
     ) -> None:
         super().publish(payload, sub_topic)