Remove extmap-allow-mixed sdp header on RTCPeerConnection.prototype.setRemoteDescription to handle chrome 89
Remove extmap-allow-mixed sdp header on RTCPeerConnection.prototype.setRemoteDescription to handle chrome 89

eface2face/cordova-plugin-iosrtc,eface2face/cordova-plugin-iosrtc,hit0907/cordova-plugin-iosrtc,hit0907/cordova-plugin-iosrtc,eface2face/cordova-plugin-iosrtc,hit0907/cordova-plugin-iosrtc