fix: change order keys for clickhouse tables

* wip

* rename

* fix: minor things before merging new order keys

* fix: add maintenance mode

* fix: update order by for session and events

* fix: remove properties from sessions and final migration test

* fix: set end date on migrations

* fix: comments

apps/worker/src/jobs/events.create-session-end.ts

@@ -96,7 +96,6 @@ export async function createSessionEnd(
     ...payload,
     properties: {
       ...payload.properties,
-      ...(session?.properties ?? {}),
       __bounce: session.is_bounce,
     },
     name: 'session_end',