[wip] Question config form with better loading

[rafpaf]

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Closes https://github.com/metabase/metabase/issues/[issue_number]

Description

Describe the overall approach and the problem being solved.

How to verify

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1. New question -> Sample Dataset -> ...
2. ...

Demo

Upload a demo video or before/after screenshots if sensible or remove the section

Checklist

• Tests have been added/updated to cover changes in this PR

[rafpaf]

Warning

This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite.
Learn more

• [wip] Question config form with better loading #42806 👈
• [wip] improve loading wrapper #42805
• Add cache config form to question sidebar #42729 : 1 other dependent PR (#42788 )
• master

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