feat(menu): add update function when selected

It allow the engine to add an action that'll done each step on selected
widget

sonic-radiance.love/core/modules/menusystem/parent.lua

@@ -146,7 +146,7 @@ function Menu:resize(x,y,w,h)
 end
 
 function Menu:destroy()
-  self.destroyed = true
+  self.isDestroyed = true
 end
 
 function Menu:updateWidgetsOrder()
@@ -168,6 +168,9 @@ function Menu:updateSelectedWidget(dt)
       self.widget.previous = self.widget.selected
     end
   end
+  if (self.widget.list[self.widget.selected] ~= nil) then
+    self.widget.list[self.widget.selected]:updateSelected(dt)
+  end
 end
 
 -- DRAW FUNCTIONS

sonic-radiance.love/core/modules/menusystem/widgets/init.lua

@@ -89,6 +89,10 @@ function BaseWidget:selectAction()
   -- Do nothing
 end
 
+function BaseWidget:updateSelected(dt)
+  -- Do nothing
+end
+
 -- DRAW WIDGETS
 -- Draw the widget