Fix Schlage removed locks

[dknowles2]

Proposed change

Fix some bugs when a lock is no longer returned by the Schlage API (e.g. the user removed it via the Schlage app)

This was forked off from #123418 as requested in the review.

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New integration (thank you!)
• New feature (which adds functionality to an existing integration)
• Deprecation (breaking change to happen in the future)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue: Schlage Integration not removing locks in HA when removed from app #123396
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
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[joostlek]

Sent you a message on Discord

[joostlek]

As discussed on discord, I think it might be better to render the lock as unknown at times we don't get full data for a lock