Disabled look should only apply to runtime display

Add check that we are not in edit mode before setting disabled look
and cursor.

Author: rjwills28

app/display/representation-javafx/src/main/java/org/csstudio/display/builder/representation/javafx/widgets/JFXBaseRepresentation.java

@@ -369,12 +369,14 @@ public void updateOrder()
      * @param children list of children nodes under the parent widget
      */
     public void setDisabledLook(Boolean enabled, ObservableList<Node> children) {
-        jfx_node.setCursor(enabled ? Cursor.DEFAULT : Cursors.NO_WRITE);
-        if (children != null) {
-            for (Node node : children)
-            {
-                Styles.update(node, Styles.NOT_ENABLED, !enabled);
-            }   
+        if (!toolkit.isEditMode()) {
+            jfx_node.setCursor(enabled ? Cursor.DEFAULT : Cursors.NO_WRITE);
+            if (children != null) {
+                for (Node node : children)
+                {
+                    Styles.update(node, Styles.NOT_ENABLED, !enabled);
+                }   
+            }
         }
     }
 }