Fix autoplay

src/invidious/views/watch.ecr

@@ -338,12 +338,9 @@ if (bpb) {
   player.ready(function() {
     var promise = player.play();
 
-    if (promise === undefined) {
-      bpb.show();
-    } else {
-      promise.then(function() {
-        bpb.show();
-      }, function() {
+    if (promise !== undefined) {
+        promise.then(_ => {
+        }).catch(error => {
             bpb.show();
         });
     }