Fix the clicker demo.

demos/clicker_game.cpp

@@ -77,7 +77,7 @@ struct ClickerUI {
         "[_|_               |_|_|_]"
         "[_|_               |_|_|_]"
         "[_|_               |_|_|_]"
-        "[(30,30)a1|=(30,30)a2|a3|=a4|a5]");
+        "[a1|a2|a3|a4|a5]");
   }
 
   void init() {
@@ -91,9 +91,8 @@ struct ClickerUI {
     for(auto& [name, cell] : $gui.cells()) {
       auto id = $gui.entity(name);
       if(name != "clicker") {
-        $gui.set<guecs::Rectangle>(id, {0, {255, 0, 0, 255}});
         $gui.set<guecs::Effect>(id, {});
-        // $gui.set<guecs::Sprite>(id, { "clicker_treat_bone" });
+        $gui.set<guecs::Sprite>(id, { "clicker_treat_bone" });
         $gui.set<guecs::Clickable>(id, {
             [&](auto, auto) { handle_button(Event::A_BUTTON); }
             });