Handle strong params in variant_overrides_controller

We use a simpler way to permit on array within params here and change products_controller to the same style

app/controllers/admin/variant_overrides_controller.rb

@@ -68,7 +68,7 @@ module Admin
     end
 
     def load_collection
-      collection_hash = Hash[params[:variant_overrides].each_with_index.map { |vo, i| [i, vo] }]
+      collection_hash = Hash[variant_overrides_params.each_with_index.map { |vo, i| [i, vo] }]
       @vo_set = VariantOverrideSet.new @variant_overrides, collection_attributes: collection_hash
     end
 
@@ -92,5 +92,11 @@ module Admin
       full_messages.each { |fm| errors.add(:base, fm) }
       errors
     end
+
+    def variant_overrides_params
+      params.require(:variant_overrides).map do |variant_override|
+        variant_override.permit(:id, :price, :count_on_hand, :sku, :on_demand)
+      end
+    end
   end
 end

app/controllers/spree/admin/products_controller.rb

@@ -166,7 +166,7 @@ module Spree
 
       def products_params
         params.require(:products).map do |product|
-          ActionController::Parameters.new(product.to_hash).permit(:id, :name)
+          product.permit(:id, :name)
         end
       end