connect favorites data to favorites page

+ detach isSmall and isMedium classes from the v-scroll-page class
+ customize the TopTracks component to be usable with the favorite tracks page
+ add queue methods to play tracks from favorites page
+ handle playing from artist top tracks in parent component

src/assets/scss/Global/app-grid.scss

@@ -110,7 +110,7 @@ $g-border: solid 1px $gray5;
   }
 }
 
-.v-scroll-page.isSmall {
+.isSmall {
   .songlist-item {
     grid-template-columns: 1.75rem 2fr 2.5rem 2.5rem;
   }
@@ -128,7 +128,7 @@ $g-border: solid 1px $gray5;
   }
 }
 
-.v-scroll-page.isMedium {
+.isMedium {
   // hide album column
   .songlist-item {
     grid-template-columns: 1.75rem 1.5fr 1fr 2.5rem 2.5rem;