widget: expose setchildren (#5309)

runelite-api/src/main/java/net/runelite/api/widgets/Widget.java

@@ -124,6 +124,11 @@ public interface Widget
 	 */
 	Widget[] getChildren();
 
+	/**
+	 * Sets the widget children
+	 */
+	void setChildren(Widget[] children);
+
 	/**
 	 * Gets all dynamic children.
 	 *

runescape-api/src/main/java/net/runelite/rs/api/RSWidget.java

@@ -34,7 +34,8 @@ public interface RSWidget extends Widget
 	RSWidget[] getChildren();
 
 	@Import("children")
-	void setChildren(RSWidget[] children);
+	@Override
+	void setChildren(Widget[] children);
 
 	@Import("id")
 	@Override