Remove logbook split_entity_id caching (#71359)

homeassistant/components/logbook/__init__.py

@@ -354,10 +354,11 @@ def humanify(
         # Process events
         for event in events_batch:
             if event.event_type == EVENT_STATE_CHANGED:
-                if event.domain != SENSOR_DOMAIN:
-                    continue
                 entity_id = event.entity_id
-                if entity_id in continuous_sensors:
+                if (
+                    entity_id in continuous_sensors
+                    or split_entity_id(entity_id)[0] != SENSOR_DOMAIN
+                ):
                     continue
                 assert entity_id is not None
                 continuous_sensors[entity_id] = _is_sensor_continuous(hass, entity_id)
@@ -378,10 +379,9 @@ def humanify(
         for event in events_batch:
             if event.event_type == EVENT_STATE_CHANGED:
                 entity_id = event.entity_id
-                domain = event.domain
                 assert entity_id is not None
 
-                if domain == SENSOR_DOMAIN and continuous_sensors[entity_id]:
+                if continuous_sensors.get(entity_id):
                     # Skip continuous sensors
                     continue
 
@@ -872,14 +872,6 @@ class LazyEventPartialState:
         self.time_fired_minute: int = self._row.time_fired.minute
         self._event_data_cache = event_data_cache
 
-    @property
-    def domain(self) -> str | None:
-        """Return the domain for the state."""
-        if self._domain is None:
-            assert self.entity_id is not None
-            self._domain = split_entity_id(self.entity_id)[0]
-        return self._domain
-
     @property
     def attributes_icon(self) -> str | None:
         """Extract the icon from the decoded attributes or json."""