Bugfix/large playlist crash (#111)

* get all song coverArt as they are rendered

doing it all up front was too heavy
temporarily disabled mapping artwork in setQueue, need to fix this

* use cache data for track artwork when available

* fix round art in context menu for songs

* set only the first artwork at play time

then set the rest in the playback service

* handle both cached images and fetching images

* remove commented code

* fix shuffle

fix first thumbnail not being updated on shuffle for now playing background

app/components/ListItem.tsx

@@ -160,6 +160,10 @@ const ListItem: React.FC<{
         size="thumbnail"
       />
     )
+  } else if (item.itemType === 'song') {
+    coverArt = (
+      <CoverArt type="album" albumId={item.albumId} style={artStyle} resizeMode={resizeMode} size="thumbnail" />
+    )
   } else {
     coverArt = (
       <CoverArt type="cover" coverArt={item.coverArt} style={artStyle} resizeMode={resizeMode} size="thumbnail" />