Add support for preset modes in homekit fans

[bdraco]

Proposed change

Add support for preset modes in homekit fans

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)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

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# Example configuration.yaml

Additional information

• This PR fixes or closes issue: fixes #
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Checklist

• The code change is tested and works locally.
• Local tests pass. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.
• I have followed the development checklist
• The code has been formatted using Black (black --fast 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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  Updated and included derived files by running: python3 -m script.hassfest.
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  Updated by running python3 -m script.gen_requirements_all.
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[bdraco]

Rebase only to revalidate tests

[balloob]

If value is not truthy, what are we achieving by calling turn on, reset preset mode ?

[bdraco]

Since there is no unset preset mode, we are accomplishing this by turning on the fan to its default on state which in turn makes the percentage slider active instead of the preset switches.