recorder: merge if-else

Author: bobrippling

apps/recorder/interface.html

@@ -758,8 +758,7 @@ <h2>GPS Tracks</h2>`;
         });
 
         html += `</div>`;
-      }
-      if (trackList.length==0) {
+      } else {
         html += `
          <div class="column col-12">
            <div class="card">