Describe the bug
"Import from URL" for query params does not update the UI

To Reproduce

1. paste http://localhost:4000/path?param=test in the url
2. go to query tab
3. click "import from url"
4. Note that the tab shows the count of query params (1) but the keyvalue table does not update
5. Activate a different request in the sidebar
6. Go back to the previous request
7. Note t

I expect

• to add some tests in https://github.com/ioggstream/openapi-resolver/blob/master/tests/test_cases.py
  for testing https://github.com/ioggstream/openapi-resolver/blob/master/openapi_resolver/__main__.py

Tests could just verify that main() works as expected.