Changed chat behaviour

added recoil value isMobile to determine which chat to display and
style. #1978

changed the player to actually span across the viewport without the
black borders around it.

web/components/video/Player.module.scss

@@ -1,9 +1,12 @@
 .player {
-  height: 80vh;
+  height: auto !important;
   width: 100%;
+  video {
+    position: static !important;
+  }
 }
 
 .poster {
   width: 100%;
   height: 100%;
-}
+}