fix: continue lrclib attempts if first response has no lyrics

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/nowplaying.js

@@ -177,7 +177,7 @@ async function _loadNpLyrics(songId) {
         const d = await r.json();
         lrcText = d.syncedLyrics || null;
         lrclibPlain = d.plainLyrics || null;
-        break;
+        if(lrcText || lrclibPlain) break;
       }
     }
   } catch {}