Fixed the bug

Author: Jared234

app/src/main/java/org/schabi/newpipe/player/playqueue/PlayQueue.java

@@ -527,6 +527,9 @@ public boolean equals(@Nullable final Object obj) {
         if (size() != other.size()) {
             return false;
         }
+        if (other.getIndex() != getIndex()) {
+            return false;
+        }
         for (int i = 0; i < size(); i++) {
             final PlayQueueItem stream = streams.get(i);
             final PlayQueueItem otherStream = other.streams.get(i);