add transition to queue track list

src/assets/scss/Global/state.scss

@@ -1,7 +1,6 @@
 
 .now-playing-track-indicator {
   background-image: url(../../assets/icons/playing.gif);
-  transition: all 0.3s ease-in-out;
   height: 2rem;
   width: 2rem;
   border-radius: 50%;

src/assets/scss/Global/variants.scss

@@ -1,4 +1,8 @@
 // paddings
+.pad-smaller {
+  padding: $smaller;
+}
+
 .pad-small {
   padding: $small;
 }