Refactor products_return_to_url method to remove url_filters parameter and simplify usage in views

app/helpers/admin/products_helper.rb

@@ -32,12 +32,8 @@ module Admin
       [precised_unit_value, variant.unit_description].compact_blank.join(" ")
     end
 
-    def products_return_to_url(url_filters)
-      if feature?(:admin_style_v3, spree_current_user)
-        return session[:products_return_to_url] || admin_products_url
-      end
-
-      "#{admin_products_path}#{url_filters.empty? ? '' : "#?#{url_filters.to_query}"}"
+    def products_return_to_url
+      session[:products_return_to_url] || admin_products_url
     end
 
     # if user hasn't saved any preferences on products page and there's only one producer;

app/views/spree/admin/products/edit.html.haml

@@ -1,7 +1,7 @@
 = admin_inject_available_units
 
 - content_for :page_actions do
-  %li= button_link_to t('admin.products.back_to_products_list'), products_return_to_url(@url_filters), :icon => 'icon-arrow-left'
+  %li= button_link_to t('admin.products.back_to_products_list'), products_return_to_url, :icon => 'icon-arrow-left'
   %li#new_product_link
     = button_link_to t(:new_product), new_object_url, { :icon => 'icon-plus', :id => 'admin_new_product' }
 
@@ -18,6 +18,6 @@
 
       = button t(:update), 'icon-refresh'
 
-      = button_link_to t(:cancel), products_return_to_url(@url_filters), icon: 'icon-remove'
+      = button_link_to t(:cancel), products_return_to_url, icon: 'icon-remove'
 
     #product-preview-modal-container