bulk-import scaffolder task exection request works, but async operation to parse scaffolder location fails:

```
2025-10-20T12:21:37.583Z bulk-import error ==== fetchEventSource failed document is not defined stack="ReferenceError: document is not defined\n    at <anonymous> (/Users/oandriie/projects/rhdh-plugins/workspaces/bulk-import/node_modules/@microsoft/fetch-event-source/src/fetch.ts:83:13)\n    at new Promise (<anonymous>)\n    at fetchEventSource (/Users/oandriie/projects/rhdh-plugins/workspaces/bulk-import/node_modules/@microsoft/fetch-event-source/src/fetch.ts:67:12)\n    at getEvents (/Users/oandriie/projects/rhdh-plugins/workspaces/bulk-import/plugins/bulk-import-backend/src/service/handlers/import/execute-template.ts:75:19)\n    at getEvents.next (<anonymous>)\n    at processTaskEvents (/Users/oandriie/projects/rhdh-plugins/workspaces/bulk-import/plugins/bulk-import-backend/src/service/handlers/import/execute-template.ts:136:22)\n    at createTaskImportJobs (/Users/oandriie/projects/rhdh-plugins/workspaces/bulk-import/plugins/bulk-import-backend/src/service/handlers/import/execute-template.ts:335:9)\n    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)\n    at async <anonymous> (/Users/oandriie/projects/rhdh-plugins/workspaces/bulk-import/plugins/bulk-import-backend/src/service/router.ts:416:24)\n    at async OpenAPIBackend.handleRequest (/Users/oandriie/projects/rhdh-plugins/workspaces/bulk-import/node_modules/openapi-backend/src/backend.ts:303:27)\n    at async <anonymous> (/Users/oandriie/projects/rhdh-plugins/workspaces/bulk-import/plugins/bulk-import-backend/src/service/router.ts:564:25)"
```