Change FlowchartWindow Style caching

Now forces expended values into the cached style repeatedly. In newer Unity UI we were seeing missing alignment and colour during caching

Assets/Fungus/Scripts/Editor/FlowchartWindow.cs

@@ -286,38 +286,39 @@ namespace Fungus.EditorUtils
             if (nodeStyle == null)
             {
                 nodeStyle = new GUIStyle();
-                // All block nodes use the same GUIStyle, but with a different background
-                nodeStyle.border = new RectOffset(HorizontalPad, HorizontalPad, VerticalPad, VerticalPad);
-                nodeStyle.padding = nodeStyle.border;
-                nodeStyle.contentOffset = Vector2.zero;
-                nodeStyle.alignment = TextAnchor.MiddleCenter;
-                nodeStyle.wordWrap = true;
             }
 
+            // All block nodes use the same GUIStyle, but with a different background
+            nodeStyle.border = new RectOffset(HorizontalPad, HorizontalPad, VerticalPad, VerticalPad);
+            nodeStyle.padding = nodeStyle.border;
+            nodeStyle.contentOffset = Vector2.zero;
+            nodeStyle.alignment = TextAnchor.MiddleCenter;
+            nodeStyle.wordWrap = true;
+
             if (EditorStyles.helpBox != null && descriptionStyle == null)
             {
                 descriptionStyle = new GUIStyle(EditorStyles.helpBox);
-                descriptionStyle.wordWrap = true;
             }
+            descriptionStyle.wordWrap = true;
 
             if (EditorStyles.whiteLabel != null && handlerStyle == null)
             {
                 handlerStyle = new GUIStyle(EditorStyles.label);
-                handlerStyle.wordWrap = true;
-                handlerStyle.margin.top = 0;
-                handlerStyle.margin.bottom = 0;
-                handlerStyle.alignment = TextAnchor.MiddleCenter;
             }
+            handlerStyle.wordWrap = true;
+            handlerStyle.margin.top = 0;
+            handlerStyle.margin.bottom = 0;
+            handlerStyle.alignment = TextAnchor.MiddleCenter;
 
-            if(blockSearchPopupNormalStyle == null || blockSearchPopupSelectedStyle == null)
+            if (blockSearchPopupNormalStyle == null || blockSearchPopupSelectedStyle == null)
             {
                 blockSearchPopupNormalStyle = new GUIStyle(GUI.skin.FindStyle("MenuItem"));
-                blockSearchPopupNormalStyle.padding = new RectOffset(8, 0, 0, 0);
-                blockSearchPopupNormalStyle.imagePosition = ImagePosition.ImageLeft;
-                blockSearchPopupSelectedStyle = new GUIStyle(blockSearchPopupNormalStyle);
-                blockSearchPopupSelectedStyle.normal = blockSearchPopupSelectedStyle.hover;
-                blockSearchPopupNormalStyle.hover = blockSearchPopupNormalStyle.normal;
             }
+            blockSearchPopupNormalStyle.padding = new RectOffset(8, 0, 0, 0);
+            blockSearchPopupNormalStyle.imagePosition = ImagePosition.ImageLeft;
+            blockSearchPopupSelectedStyle = new GUIStyle(blockSearchPopupNormalStyle);
+            blockSearchPopupSelectedStyle.normal = blockSearchPopupSelectedStyle.hover;
+            blockSearchPopupNormalStyle.hover = blockSearchPopupNormalStyle.normal;
         }
 
         protected virtual void OnDisable()