Fix jitter in firefox

front/src/style/components/_player.scss

@@ -46,7 +46,7 @@
   }
 
   .ui.progress .bar {
-    transition: transform .2s linear;
+    transition: transform .1s linear;
     width: 100%;
     transform: scaleX(0);
     transform-origin: top left;

front/src/style/components/_queue.scss

@@ -171,7 +171,7 @@
     margin: 0 auto;
   }
   .ui.progress .bar {
-    transition: transform .2s linear;
+    transition: transform .1s linear;
     width: 100%;
     transform: scaleX(0);
     transform-origin: top left;