## 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
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## 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 -->
Joshen Lim
13659ecc50