6071 return only updated fields of records in zapier update trigger (#8193)

- move webhook triggers into `entity-events-to-db.listener.ts`
- refactor event management
- add a `@OnDatabaseEvent` decorator to manage database events
- add updatedFields in updated events
- update openApi webhooks docs
- update zapier integration

packages/twenty-server/src/engine/core-modules/user/services/user.service.ts

@@ -17,6 +17,7 @@ import { DataSourceService } from 'src/engine/metadata-modules/data-source/data-
 import { TwentyORMGlobalManager } from 'src/engine/twenty-orm/twenty-orm-global.manager';
 import { WorkspaceEventEmitter } from 'src/engine/workspace-event-emitter/workspace-event-emitter';
 import { WorkspaceMemberWorkspaceEntity } from 'src/modules/workspace-member/standard-objects/workspace-member.workspace-entity';
+import { DatabaseEventAction } from 'src/engine/api/graphql/graphql-query-runner/enums/database-event-action';
 
 // eslint-disable-next-line @nx/workspace-inject-workspace-repository
 export class UserService extends TypeOrmQueryService<User> {
@@ -115,7 +116,7 @@ export class UserService extends TypeOrmQueryService<User> {
     payload.recordId = workspaceMember.id;
 
     this.workspaceEventEmitter.emit(
-      'workspaceMember.deleted',
+      `workspaceMember.${DatabaseEventAction.DELETED}`,
       [payload],
       workspaceId,
     );