Fix playback speed not being updated in PlayQueuAcitvity

Fixes #6419

app/src/main/java/org/schabi/newpipe/player/PlayQueueActivity.java

@@ -15,6 +15,7 @@ import android.view.ViewGroup;
 import android.widget.PopupMenu;
 import android.widget.SeekBar;
 
+import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.recyclerview.widget.ItemTouchHelper;
 import androidx.recyclerview.widget.LinearLayoutManager;
@@ -456,6 +457,7 @@ public final class PlayQueueActivity extends AppCompatActivity
                                            final boolean playbackSkipSilence) {
         if (player != null) {
             player.setPlaybackParameters(playbackTempo, playbackPitch, playbackSkipSilence);
+            onPlaybackParameterChanged(player.getPlaybackParameters());
         }
     }
 
@@ -639,7 +641,7 @@ public final class PlayQueueActivity extends AppCompatActivity
         queueControlBinding.controlShuffle.setImageAlpha(shuffleAlpha);
     }
 
-    private void onPlaybackParameterChanged(final PlaybackParameters parameters) {
+    private void onPlaybackParameterChanged(@Nullable final PlaybackParameters parameters) {
         if (parameters != null) {
             if (menu != null && player != null) {
                 final MenuItem item = menu.findItem(R.id.action_playback_speed);