core/menusystem: only count click if menu is currently active

sonic-boost.love/core/modules/menusystem/init.lua

@@ -69,6 +69,7 @@ end
 
 function MenuSystem:mousepressed( x, y, button, istouch )
   for k,v in pairs(self.menus) do
+    if v.isActive then
       if (x > v.x) and (x < v.x + v.w) and (y > v.y) and (y < v.y + v.h) then
         v:mousepressed(x - v.x, y - v.y, button, istouch )
         for j,u in ipairs(self.menus) do
@@ -77,6 +78,7 @@ function MenuSystem:mousepressed( x, y, button, istouch )
         v.focus = true
       end
     end
+  end
 end
 
 function MenuSystem:draw(dt) -- On dessine les entitées