Fix shift click not actually assigning skills

gui/builtinViews/fittingView.py

@@ -676,9 +676,9 @@ class FittingView(d.Display):
                 itemContext = fullContext[1] if len(fullContext) > 1 else None
                 skillsMenu = ChangeAffectingSkills()
                 if skillsMenu.display(self, srcContext, mainMod):
-                    # Create the submenu directly
-                    rootMenu = wx.Menu()
-                    sub = skillsMenu.getSubMenu(self, srcContext, mainMod, rootMenu, 0, None)
+                    # On Windows, menu items need to be bound to the menu shown with PopupMenu
+                    # We pass None as rootMenu so items are bound to their parent submenus
+                    sub = skillsMenu.getSubMenu(self, srcContext, mainMod, None, 0, None)
                     if sub:
                         self.PopupMenu(sub)
                         return