feat: runtime connection traffic lights

[briangregoryholmes]

This PR updates the UI elements used to display the status of the connection to the underlying file and resource watcher endpoints (a proxy for connection to the runtime as a whole).

Instead of displaying a banner, there is a new RuntimeTrafficLights component placed next to the version in the sidebar footer.

In the normal process of starting the application, this indicator should display as green for five seconds before subsequently being hidden.

If the user fails to interact with the page for 2 minutes, this indicator will turn red and display a tooltip with the same copy that was previously in the banner.

If the watchers are attempting to reconnect, the indicator will turn yellow.

• Fixes an issue where asynchronous errors were being thrown incorrectly
• Uses the MAX_RETRIES constant to control when full page fail state should be displayed

Checklist:

• Covered by tests
• Ran it and it works as intended
• Reviewed the diff before requesting a review
• Checked for unhandled edge cases
• Linked the issues it closes
• Checked if the docs need to be updated. If so, create a separate Linear DOCS issue
• Intend to cherry-pick into the release branch
• I'm proud of this work!

[ericpgreen2]

LGTM!