Add migration to drop and recreate the mv

posthog/clickhouse/migrations/0083_recreate_sessions_v1_after_limiting_teams.py

@@ -0,0 +1,8 @@
+from posthog.clickhouse.client.migration_tools import run_sql_with_exceptions
+from posthog.models.sessions.sql import DROP_SESSION_MATERIALIZED_VIEW_SQL, SESSIONS_TABLE_MV_SQL
+
+operations = [
+    # drop the mv, and recreate it with the new part of the WHERE clause
+    run_sql_with_exceptions(DROP_SESSION_MATERIALIZED_VIEW_SQL()),
+    run_sql_with_exceptions(SESSIONS_TABLE_MV_SQL()),
+]