Skip adding providers if the camera has native WebRTC

[edenhaus]

Breaking change

Proposed change

SSIA
It makes no sense to search and add supported providers as they will never be used

Type of change

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

• This PR fixes or closes issue: fixes go2rtc integration producing a lot of KeyErrors #129747
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• Link to documentation pull request:

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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 (camera) you are listed as a code owner for? Thanks!

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[MartinHjelmare]

A test is missing.