Description

This PR adds a debug navigation to the flame devtools extension, allowing developers to quickly switch between overlays.

Changes

1. added getter for registeredOverlays to OverlayManager
2. created OverlayConnector exposing getOverlays and navigateToOverlay to the devtools
3. added getOverlays and navigateToOverlay to Repository
4. created OverlayNav holding a list of all registeredOverlays which when an item is tapped shows this overlay

If you have any ideas/remarks/suggestions please let me know 🚀

Checklist

• I have followed the Contributor Guide when preparing my PR.
• I have updated/added tests for ALL new/updated/fixed functionality.
• I have updated/added relevant documentation in docs and added dartdoc comments with ///.
• I have updated/added relevant examples in examples or docs.

Breaking Change?

• Yes, this PR is a breaking change.
• No, this PR is not a breaking change.

Related Issues

Closes #3397