Let AuthenticationRequired also trigger the reauth flow in MusicAssistant

[marcelveldt]

Proposed change

Fixes a small oversight in the Music Assistant integration handling where the AuthenticationRequired error should also trigger the reauth flow. It handles the situation of a migration where previously the connection to the server was without token and now the server requires auth.

Also handles the case where the integration was previously configured using the manual URL and now can utilize the internal hassio addon flow, so we update the existing entry and reload it if it's in a failed state.

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
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• Breaking change (fix/feature causing existing functionality to break)
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• This PR fixes or closes issue: fixes #
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[home-assistant]

Hey there @music-assistant, @arturpragacz, mind taking a look at this pull request as it has been labeled with an integration (music_assistant) you are listed as a code owner for? Thanks!

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[Copilot]

Pull request overview

This PR adds handling for AuthenticationRequired exception to trigger the reauth flow in the Music Assistant integration. This addresses a migration scenario where a Music Assistant server previously allowed connections without authentication but now requires it. The change ensures that users are prompted to reauthenticate when this situation occurs, rather than the integration failing to load.

Key changes:

• Added AuthenticationRequired import from music_assistant_models.errors
• Updated exception handler in async_setup_entry to catch AuthenticationRequired alongside AuthenticationFailed and InvalidToken

[home-assistant]

Please take a look at the requested changes, and use the Ready for review button when you are done, thanks 👍

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