[SSE] Add backend for SSE subscriptions (#17022)

- moved a few gql types to twenty shared to re-use in server
- added a new endpoint, onEventSubscription that expect a streamId to
create a connection
- two new endpoints to store queries in Redis
- updated the existing batch channel to directly use object record type

packages/twenty-server/src/engine/core-modules/cache-storage/types/cache-storage-namespace.enum.ts

@@ -5,4 +5,5 @@ export enum CacheStorageNamespace {
   EngineWorkspace = 'engine:workspace',
   EngineLock = 'engine:lock',
   EngineHealth = 'engine:health',
+  EngineSubscriptions = 'engine:subscriptions',
 }