Update stock items form to use new form builder

Author: chaimann

admin/app/components/solidus_admin/stock_items/edit/component.html.erb

@@ -1,6 +1,6 @@
 <%= turbo_frame_tag :resource_modal, target: "_top" do %>
   <%= render component("ui/modal").new(title: t(".title")) do |modal| %>
-    <%= form_for @stock_item, url: form_url, html: { id: form_id } do |f| %>
+    <%= solidus_form_for @stock_item, url: form_url, html: { id: form_id } do |f| %>
       <div
         class="flex flex-col gap-6 pb-4"
         data-controller="<%= stimulus_id %>"
@@ -35,8 +35,7 @@
           <% end %>
         </div>
 
-        <%= render component("ui/forms/field").text_field(
-          f,
+        <%= f.text_field(
           :count_on_hand,
           readonly: true,
           value: @stock_item.count_on_hand_was || @stock_item.count_on_hand,
@@ -55,12 +54,10 @@
           ) %>
         <% end %>
 
-        <%= render component("ui/forms/switch_field").new(
-          name: "#{f.object_name}[backorderable]",
+        <%= f.switch_field(
+          :backorderable,
           label: Spree::StockItem.human_attribute_name(:backorderable),
-          error: f.object.errors[:backorderable],
           hint: t(".backorderable_hint_html"),
-          checked: f.object.backorderable?,
           include_hidden: true,
         ) %>
       </div>