Reverts supabase/supabase#45861
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
## Release Notes
* **New Features**
* Support form now returns to home view upon completion within the help
panel.
* Success screen conditionally displays community (Discord) section for
specific issue categories.
* **Bug Fixes**
* Improved project selection logic in support form initialization.
* **Style**
* Updated support form label text for clarity.
* Redesigned success screen layout with updated styling and separators.
* **Removed Features**
* Removed support assistant follow-up card from success screen.
* Removed support request message parsing from AI responses.
<!-- review_stack_entry_start -->
[](https://app.coderabbit.ai/change-stack/supabase/supabase/pull/46194?utm_source=github_walkthrough&utm_medium=github&utm_campaign=change_stack)
<!-- review_stack_entry_end -->
<!-- end of auto-generated comment: release notes by coderabbit.ai -->