Add logging on currentWorkspaceMember query (#6706)

We are experiencing slow GetCurrentUser endpoint, this is helping us
troubleshoot

packages/twenty-server/src/engine/twenty-orm/entity-manager/entity.manager.ts

@@ -26,6 +26,7 @@ export class WorkspaceEntityManager extends EntityManager {
     target: EntityTarget<Entity>,
   ): WorkspaceRepository<Entity> {
     // find already created repository instance and return it if found
+
     const repoFromMap = this.repositories.get(target);
 
     if (repoFromMap) {