RtpBundle detects new SSRC and emit a dedicated signal

johan
2024-01-30T10:41:52Z

https://gitlab.linphone.org/BC/public/ortp/-/merge_requests/164

https://gitlab.linphone.org/BC/public/mediastreamer2/-/merge_requests/884

https://gitlab.linphone.org/BC/public/liblinphone/-/merge_requests/2870