Fix defaults for cloud STT/TTS

[balloob]

Breaking change

Proposed change

When we migrated cloud integration to TTS and STT entities, we broke the behavior when selecting a default TTS/STT service to use.

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
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• Deprecation (breaking change to happen in the future)
• Breaking change (fix/feature causing existing functionality to break)
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Additional information

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

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

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[home-assistant]

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

Code owner commands

Code owners of stt can trigger bot actions by commenting:

• @home-assistant close Closes the pull request.
• @home-assistant rename Awesome new title Renames the pull request.
• @home-assistant reopen Reopen the pull request.
• @home-assistant unassign stt Removes the current integration label and assignees on the pull request, add the integration domain after the command.
• @home-assistant add-label needs-more-information Add a label (needs-more-information, problem in dependency, problem in custom component) to the pull request.
• @home-assistant remove-label needs-more-information Remove a label (needs-more-information, problem in dependency, problem in custom component) on the pull request.

[MartinHjelmare]

How can there be entities if we don't set up the config entry in the test setup phase? This test isn't realistic.

[home-assistant]

Please take a look at the requested changes, and use the Ready for review button when you are done, thanks 👍

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