fix: (minor) build issues on cart and item page

- Move `cart.js` to public/js directory
- Reorder import sequence in erpnext web bundle
- Removed unused script block

erpnext/public/js/erpnext-web.bundle.js

@@ -1,6 +1,6 @@
 import "./website_utils";
-import "./shopping_cart";
 import "./wishlist";
+import "./shopping_cart";
 import "./customer_reviews";
 import "../../e_commerce/product_ui/list";
 import "../../e_commerce/product_ui/views";

erpnext/templates/pages/cart.html

@@ -4,13 +4,6 @@
 
 {% block header %}<h3 class="shopping-cart-header mt-2 mb-6">{{ _("Shopping Cart") }}</h1>{% endblock %}
 
-<!--
-{% block script %}
-<script>{% include "templates/includes/cart.js" %}</script>
-{% endblock %}
--->
-
-
 {% block header_actions %}
 {% endblock %}