Add audio transport direction to WebRTCClientConfiguration

[sdb9696]

Proposed change

Add audio transport direction to WebRTCClientConfiguration to enable two way audio.

Goes with Front end PR 22239

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• This PR fixes or closes issue: fixes #
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[starkillerOG]

@sdb9696 Will this also allow for 2-way audio on cameras with a RTSP stream that have a RTSP backchannel?
(RTSP stream beeing converted to WebRTC by the WebRTC integration)

Does the camera entity need to specify if that particular cam supports 2-way audio, or is this info automatically obtained from the stream?

[sdb9696]

Hey @starkillerOG, I haven't tested it yet but it should work with RTSP back channel if the component doing the conversion supports it. Yes the integration has to specify that it supports 2-way via the WebRTCClientConfiguration. I'm just in the process of bringing the ring WebRtc PR up to date with latest async web offer functionality, then I'll update this PR and the front end PR. Hopefully some time today.