POC timeline activity (#5697)

TODO: 
- remove WorkspaceIsNotAuditLogged decorators on activity/activityTarget
to log task/note creations
- handle attachments
-  fix css and remove unnecessary styled components or duplicates

packages/twenty-server/src/database/typeorm-seeds/core/feature-flags.ts

@@ -33,7 +33,7 @@ export const seedFeatureFlags = async (
       {
         key: FeatureFlagKeys.IsEventObjectEnabled,
         workspaceId: workspaceId,
-        value: true,
+        value: false,
       },
       {
         key: FeatureFlagKeys.IsStripeIntegrationEnabled,