Improve logbook context augment performance (#106926)

Makes LazyEventPartialState a bit lazier since almost all the
properties are never called.

homeassistant/components/logbook/processor.py

@@ -425,7 +425,7 @@ class EventCache:
 
     def get(self, row: EventAsRow | Row) -> LazyEventPartialState:
         """Get the event from the row."""
-        if isinstance(row, EventAsRow):
+        if type(row) is EventAsRow:  # noqa: E721 - this is never subclassed
             return LazyEventPartialState(row, self._event_data_cache)
         if event := self.event_cache.get(row):
             return event