Fix issue with refreshing size of the heuristic type dropdown UI when it is enabled

Author: JasonNumberThirteen

Assets/Project/Scenes/AStarVisualiserScene.unity

@@ -0,0 +1,19 @@
+using UnityEngine;
+using UnityEngine.UI;
+
+[RequireComponent(typeof(RectTransform))]
+public class UIRefresherOnEnable : MonoBehaviour
+{
+	private RectTransform rectTransform;
+
+	private void Awake()
+	{
+		rectTransform = GetComponent<RectTransform>();
+	}
+
+	private void OnEnable()
+	{
+		Canvas.ForceUpdateCanvases();
+		LayoutRebuilder.ForceRebuildLayoutImmediate(rectTransform);
+	}
+}