Remove unneeded lambda_stmt in place add in statistics (#89943)

We can generate this entire query in a single lambda_stmt
so there is no need to add two which increases the size
of the cache key

homeassistant/components/recorder/statistics.py

@@ -1969,8 +1969,8 @@ def _latest_short_term_statistics_stmt(
     metadata_ids: list[int],
 ) -> StatementLambdaElement:
     """Create the statement for finding the latest short term stat rows."""
-    stmt = lambda_stmt(lambda: select(*QUERY_STATISTICS_SHORT_TERM))
-    stmt += lambda s: s.join(
+    return lambda_stmt(
+        lambda: select(*QUERY_STATISTICS_SHORT_TERM).join(
             (
                 most_recent_statistic_row := (
                     select(
@@ -1986,7 +1986,7 @@ def _latest_short_term_statistics_stmt(
             (StatisticsShortTerm.metadata_id == most_recent_statistic_row.c.metadata_id)
             & (StatisticsShortTerm.start_ts == most_recent_statistic_row.c.start_max),
         )
-    return stmt
+    )
 
 
 def get_latest_short_term_statistics(