supabase / supabase / 25906517002

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github

Shift internal only fields on new project form into a collapsible (#45873)

## Context

Changes here aren't public facing - we're just shifting some internal
only fields on the new project page to consolidate them into the
"internal-only" collapsible

Mainly to improve clarity from our POV RE what fields do users see and
the general look of the new project form
<img width="727" height="558" alt="image"
src="https://github.com/user-attachments/assets/7d8f2915-3a81-4d9d-a067-cd45c1725726"
/>

So everything that's not within the collapsible are essentially fields
that users will see on prod. The changes here also subsequently
deprecates the use of 2 feature flags on the new project page:
- `showPostgresVersionSelector` -> replaced by new flag
`newProjectInternalOnlyConfiguration`
- `enableFlyCloudProvider` -> was used to control the visibility of the
cloud provider field, now replaced by
`newProjectInternalOnlyConfiguration`


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-->

## Summary by CodeRabbit

* **Refactor**
* Reorganized project creation form layout and field ordering for
improved structure.
  * Updated project resume flow with refined confirmation modal UI.
  * Simplified cloud provider selection interface.
  * Streamlined high-availability configuration presentation.

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