scenes/mainmenu: fix pig addition widget

imperium-porcorum.love/scenes/debugmenu/init.lua

@@ -76,6 +76,23 @@ function MainMenu:selectMenu(menuID)
   self.menusystem.menus[menuID]:getFocus()
 end
 
+function MainMenu:refreshMenu()
+  menuID = self.menusystem.focusedMenu
+  menus.Create(self)
+
+  self.menusystem:setAllMenuVisibility(false)
+  self.menusystem:setAllMenuActivity(false)
+
+  if (self.menusystem.menus[menuID] == nil) then
+    error("ERROR, menu " .. menuID .. " doesn't exist in scene menusystem")
+  end
+
+  self.menusystem.menus[menuID].isVisible = true
+  self.menusystem.menus[menuID].isActive  = true
+
+  self.menusystem.menus[menuID]:getFocus()
+end
+
 function MainMenu:update(dt)
   MainMenu.super.update(self, dt)
   lovebird.update()

imperium-porcorum.love/scenes/debugmenu/widgets.lua

@@ -52,8 +52,8 @@ function Widgets.AddPig:new(menu)
 end
 
 function Widgets.AddPig:action()
-  save:addPig("cochon")
-  self.menusystem:refreshMenu()
+  game.pigmanager:addPig("cochon")
+  self.scene:refreshMenu()
 end
 
 function Widgets.Load:new(menu)