fixed getAllWidgets

app/src/main/java/org/toop/app/widget/WidgetContainer.java

@@ -87,6 +87,12 @@ public final class WidgetContainer {
 			}
 		}
 
+		for (var child : currentView.getNode().getChildren()) {
+			if (child instanceof Widget widget) {
+				children.add(widget);
+			}
+		}
+
 		return children;
 	}
 }

app/src/main/java/org/toop/app/widget/complex/StackWidget.java

@@ -41,7 +41,7 @@ public abstract class StackWidget implements Widget {
 	}
 
 	@Override
-	public Node getNode() {
+	public StackPane getNode() {
 		return container;
 	}
 }