feat: (schema - phase 12): Perform Data Source Helpers Migration

[voonhous]

Describe the issue this Pull Request addresses

TODO

Summary and Changelog

TODO

Impact

None

Risk Level

Low

Documentation Update

None

Contributor's checklist

• Read through contributor's guide
• Enough context is provided in the sections above
• Adequate tests were added if applicable

[voonhous]

This is till WIP, not sure what extent i should be doing to swap out Schema -> HoodieSchema. Just going to work on it incrementally and gather feedback along the way.

[hudi-bot]

CI report:

• dcc45d2 Azure: FAILURE

Bot commands

@hudi-bot supports the following commands:

• @hudi-bot run azure re-run the last Azure build

[voonhous]

@the-other-tim-brown Should be ready for review, not sure if we want to limit the scope to just datasource helper, or we want to expand it to schemaProviders to return HoodieSchema.