wxGUI: ignore '&' in menu tree

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@40200 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gui_modules/help.py

@@ -326,7 +326,7 @@ class MenuTree(CT.CustomTreeCtrl):
         for eachMenuData in data.GetMenu():
             for label, items in eachMenuData:
                 item = self.AppendItem(parentId = self.root,
-                                       text = label)
+                                       text = label.replace('&', ''))
                 self.__AppendItems(item, items)
         
     def __AppendItems(self, item, data):