* VRFS-3034 - workaround QtWebkit crash by conditionalizing the 'crashy' rule

web/app/assets/javascripts/session.js

@@ -172,6 +172,7 @@
 
         function afterShow(data) {
 
+          $fluidTracks.addClass('showing');
           $openBackingTrack.removeClass('disabled');
 
           if(!context.JK.JamServer.connected) {
@@ -500,7 +501,7 @@
         }
 
        function beforeHide(data) {
-
+         $fluidTracks.removeClass('showing');
            if(screenActive) {
              // this path is possible if FTUE is invoked on session page, and they cancel
              sessionModel.leaveCurrentSession()

web/app/assets/stylesheets/client/session.css.scss

@@ -258,10 +258,13 @@
   }
 
   .session-fluidtracks {
-    width:calc(100% - #{$mytracks-minwidth});
     position:relative;
     float:left;
     @include border_box_sizing;
+
+    &.showing {
+      width:calc(100% - #{$mytracks-minwidth}); // VRFS-3034
+    }
   }
 
   .session-livetracks {