Add switch_as_x entity to wrapped switch's device

[emontnemery]

Proposed change

Add switch_as_x entity to wrapped switch's device

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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• This PR fixes or closes issue: fixes #
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[probot-home-assistant]

Hey there @home-assistant/core, mind taking a look at this pull request as it has been labeled with an integration (switch_as_x) you are listed as a code owner for? Thanks!
_{^{(message by CodeOwnersMention)}}

[MartinHjelmare]

Nice!

[cdce8p]

This PR seems to break CI: https://github.com/home-assistant/core/runs/5508395678?check_suite_focus=true
Once fixed, it might also make sense to add switch_as_x to .core-files.yaml

core/.core_files.yaml

Lines 46 to 47 in d2e5c85

	# Extra components that trigger the full suite
	components: &components