fix(PostgreSQL): issue exporting tables with primary keys

src/main/ipc-handlers/schema.ts

@@ -251,7 +251,7 @@ export default (connections: Record<string, antares.Client>) => {
                      setTimeout(() => { // Ensures that writing thread has finished
                         exporter?.terminate();
                         exporter = null;
-                     }, 2000);
+                     }, 500);
                      resolve({ status: 'success', response: payload });
                      break;
                   case 'cancel':