modules/graphics/src/main/java/javafx/scene/Scene.java

*** 4091,4101 ****
          private final InvalidationListener sceneWindowFocusedListener = valueModel -> setWindowFocused(((ReadOnlyBooleanProperty)valueModel).get());
  
          private void process(KeyEvent e) {
              final Node sceneFocusOwner = getFocusOwner();
              final EventTarget eventTarget =
!                     (sceneFocusOwner != null) ? sceneFocusOwner
                                                : Scene.this;
  
              // send the key event to the current focus owner or to scene if
              // the focus owner is not set
              Event.fireEvent(eventTarget, e);
--- 4091,4101 ----
          private final InvalidationListener sceneWindowFocusedListener = valueModel -> setWindowFocused(((ReadOnlyBooleanProperty)valueModel).get());
  
          private void process(KeyEvent e) {
              final Node sceneFocusOwner = getFocusOwner();
              final EventTarget eventTarget =
!                     (sceneFocusOwner != null && sceneFocusOwner.getScene() == Scene.this) ? sceneFocusOwner
                                                : Scene.this;
  
              // send the key event to the current focus owner or to scene if
              // the focus owner is not set
              Event.fireEvent(eventTarget, e);