[Enhancement]Expose subscribed audio track to CallParticipant#1136

ipavlidakis merged 2 commits intodevelopGetStream/stream-video-swift:developfrom

iliaspavlidakis/ios-1639-enhancementaudiotrack-on-callparticipantGetStream/stream-video-swift:iliaspavlidakis/ios-1639-enhancementaudiotrack-on-callparticipantCopy head branch name to clipboard