prevent crash on fullscreen, repos local video on fullscreen

public/js/chat.js

@@ -373,6 +373,7 @@ function windowResized() {
 //
 
 function openFullscreen() {
+  try {
     var elem = document.getElementById("remote-video");
     if (!isFullscreen) {
       isFullscreen = true;
@@ -402,6 +403,10 @@ function openFullscreen() {
         /* IE/Edge */
         document.msExitFullscreen();
       }
+      setTimeout(windowResized, 1000);
+    }
+  } catch (e) {
+    logIt(e);
   }
 }