Fix Mill issue, where no sensors were shown

[Danielhiversen]

Breaking change

Proposed change

Fix Mill issue, where no sensors were shown
Fix mill issue #137477
A bug introduced when the base class was added: #134415

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 Mill GL-WIFI Socket G3 lost all sensors after last core update 2025.2.0 #137477
• This PR is related to issue:
• Link to documentation pull request:
• Link to developer documentation pull request:
• Link to frontend pull request:

Checklist

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

Looks good @Danielhiversen 👍

Can you update the PR title to be descriptive? We don't have to reference the issue ID in the title (more importantly, that context will be lost once it is going outside of GitHub, e.g., changelogs on our website).

../Frenck

[home-assistant]

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[frenck]

Thanks, @Danielhiversen 👍

../Frenck