Fix bug where playback would not pause when fetching the newest playqueue

src/lib/components/custom/QueueFrame.svelte

@@ -12,6 +12,7 @@
 
     async function innerFetchQueue() {
         loading = true;
+        playbackState.pause();
         await queueState.getPlayQueue()
         await new Promise(resolve => setTimeout(resolve, 100));
         loading = false;