channelstream: bind this to proper context

backend/src/appenlight/static/js/appenlight.js

@@ -7061,7 +7061,7 b' function ChannelstreamController($rootScope, stateHolder, userSelfPropertyResour'
         stateHolder.websocket.onerror = function (event) {
             
         };
-    });
+    }.bind(this));
 }
 
 ;// # Copyright (C) 2010-2016  RhodeCode GmbH

frontend/src/components/channelstream.js

@@ -56,5 +56,5 b' function ChannelstreamController($rootScope, stateHolder, userSelfPropertyResour'
         stateHolder.websocket.onerror = function (event) {
             console.log('error');
         };
-    });
+    }.bind(this));
 }