CDK: Fix class SessionTokenAuthenticator for CLASS_TYPES_REGISTRY mapper

[yevhenii-ldv]

What

Describe what the change is solving
It helps to add screenshots if it affects the frontend.

How

Change SessionTokenAuthenticator to LegacySessionTokenAuthenticator

Recommended reading order

1. airbyte-cdk/python/airbyte_cdk/sources/declarative/parsers/class_types_registry.py

Pre-merge Actions

Airbyter

Before merging:

• Pull Request description explains what problem it is solving
• Code change is unit tested
• Build and my-py check pass
• Smoke test the change on at least one affected connector
  • On Github: Run this workflow, passing --use-local-cdk --name=source-<connector> as options
  • Locally: airbyte-ci connectors --use-local-cdk --name=source-<connector> test
• PR is reviewed and approved

After merging:

• Publish the CDK
  • The CDK does not follow proper semantic versioning. Choose minor if this the change has significant user impact or is a breaking change. Choose patch otherwise.
  • Write a thoughtful changelog message so we know what was updated.
• Merge the platform PR that was auto-created for updating the Connector Builder's CDK version
  • This step is optional if the change does not affect the connector builder or declarative connectors.

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Name	Status	Preview	Comments	Updated (UTC)
airbyte-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 2, 2023 3:39pm

[girarda]

why this change?

[yevhenii-ldv]

I've answered here: #31696 (comment)

[girarda]

thanks for fixing!