anonradio: fix empty slots

src/modules/anonradio.js

@@ -55,6 +55,8 @@ async function updateNowPlaying() {
   if (playing.includes("listeners with a daily peak of")) {
     title = `${liveNow.name} (\`${liveNow.id}\`)`;
     subtitle = playing;
+  } else if (playing.startsWith("Coming up")) {
+    title = playing;
   } else {
     const [_, current, peakDay, peakMonth, dj, metadata] = playing.match(
       /\[(\d+)\/(\d+)\/(\d+)\] \((.+?)\): (.+)/