[hub][fix] Category page api call

erpnext/public/js/hub/pages/category.js

@@ -5,15 +5,14 @@ erpnext.hub.Category = class Category extends SubPage {
 	refresh() {
 		this.category = frappe.get_route()[2];
 		this.get_items_for_category(this.category)
-			.then(r => {
-				this.render(r.message);
+			.then(items => {
+				this.render(items);
 			});
 	}
 
 	get_items_for_category(category) {
 		this.$wrapper.find('.hub-card-container').empty();
-		return frappe.call('erpnext.hub_node.api.get_list', {
-			doctype: 'Hub Item',
+		return hub.call('get_items', {
 			filters: {
 				hub_category: category
 			}