[#617] - Add Userb google login feature

[epixieme]

Detailed information:

Added Google Oauth logic for User B journey to UserBLoginPage

Closing issues:

List all issues the pull request solve:

[#617] - Add Userb google login feature
closes #617

Test plan (required)

• The PR contains new PyTest unit/integration tests for any function or functional added.
• The PR changes existing PyTest unit/integration tests to keep all tests up to date.
• The PR does not lead to degradation in unit test coverage.
• Project parts affected by changes in this PR was tested manually on your local (using Postman or in any other way). List everything you've tested below:
  • Part 1
  • Part 2