Remote platform back-compat for custom components without RemoteEntityFeature

[bdraco]

needs #106602

Proposed change

Remote platform back-compat for custom components without RemoteEntityFeature

RemoteEntityFeature was introduced in April 2022. Some integrations need a bit more time to migrate so a compat layer is added and will be removed in 2025.1.x

History:

• Original deprecation of constants: https://developers.home-assistant.io/blog/2022/04/02/support-constants-deprecation.
• Deprecation of magic numbers: https://developers.home-assistant.io/blog/2023/12/28/support-feature-magic-numbers-deprecation

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:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
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• There is no commented out code in this PR.
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• The code has been formatted using Ruff (ruff format homeassistant tests)
• Tests have been added to verify that the new code works.

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• Documentation added/updated for www.home-assistant.io

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• The manifest file has all fields filled out correctly.
  Updated and included derived files by running: python3 -m script.hassfest.
• New or updated dependencies have been added to requirements_all.txt.
  Updated by running python3 -m script.gen_requirements_all.
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