Merge pull request #907 from nextcloud/fix-data-channel-support-with-newer-janus-versions

[v8.0.x] Fix data channel suport with newer Janus versions

app/src/main/java/com/nextcloud/talk/webrtc/MagicPeerConnectionWrapper.java

@@ -408,7 +408,7 @@ public class MagicPeerConnectionWrapper {
 
         @Override
         public void onDataChannel(DataChannel dataChannel) {
-            if (dataChannel.label().equals("status")) {
+            if (dataChannel.label().equals("status") || dataChannel.label().equals("JanusDataChannel")) {
                 magicDataChannel = dataChannel;
                 magicDataChannel.registerObserver(new MagicDataChannelObserver());
             }