## Context
Just refactors `ObservabilityMenu` to retrieve the menu items via a hook
+ scaffold the Top for Postgres menu item
No functional changes here
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added a keyboard shortcut (`U`, then `C`) for quickly opening
Observability Connections.
* Improved observability navigation with feature-aware sections and
consistent URL parameter preservation.
* Custom reports are now sorted alphabetically and include available
actions directly in the menu.
* **Bug Fixes**
* Improved handling of missing report details and duplicate or
unsupported query parameters.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
## I have read the
[CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md)
file.
YES
## What kind of change does this PR introduce?
- refactor navigation utils to pass in is_platform
- write unit tests for configuration returns
- default is always passed from constant IS_PLATFORM
Joshen Lim