Check if rotation is needed whether the screen orientation is locked or unlocked.

Author: volatilespecial

app/src/main/java/org/schabi/newpipe/player/ui/MainPlayerUi.java

@@ -937,7 +937,8 @@ public void toggleFullscreen() {
 
         // When the video ends, the player exits fullscreen mode but remains in landscape mode.
         // This corrects the orientation. See #13057.
-        if (player.getCurrentState() == STATE_COMPLETED) {
+        if (player.getCurrentState() == STATE_COMPLETED
+                && globalScreenOrientationLocked(context)) {
             player.getFragmentListener()
                     .ifPresent(PlayerServiceEventListener::onScreenRotationButtonClicked);
         }