feat: [SNOW-2466332] do not require user when using OAUTH_CLIENT_CRED…

[sfc-gh-jwilkowski]

…ENTIALS and OAUTH_AUTHORIZATION_CODE authenticators

Please answer these questions before submitting your pull requests. Thanks!

1. What GitHub issue is this PR addressing? Make sure that there is an accompanying issue to your PR.

   None, tracked in SNOW-2466332

2. Fill out the following pre-review checklist:

   • I am adding a new automated test(s) to verify correctness of my new code
   • I am adding new logging messages
   • I am adding a new telemetry message
   • I am modifying authorization mechanisms
   • I am adding new credentials
   • I am modifying OCSP code
   • I am adding a new dependency

3. Please describe how your code solves the related issue.

   We want to simplify minimal setup for newer OAUTH based authenticators, where user needs to provide username in browser as well. Such change has already been implemented in node driver

4. (Optional) PR for stored-proc connector:

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[sfc-gh-jwilkowski]

I have read the CLA Document and I hereby sign the CLA