Duplicate master prices on product duplication

Until v3.2.3 duplicating a product duplicated the price.
Since v3.2.4 the product duplication does not duplicate the price.

Looks like it comes from the PR #4639 :/

To fix it we duplicate all of the master prices on the new_product.

(cherry picked from commit 00cac06)

core/lib/spree/core/product_duplicator.rb

@@ -45,7 +45,7 @@ def duplicate_master
         new_master.sku = "COPY OF #{master.sku}"
         new_master.deleted_at = nil
         new_master.images = master.images.map { |image| duplicate_image image } if @include_images
-        new_master.price = master.price
+        new_master.prices = master.prices.map(&:dup)
       end
     end
 

core/spec/models/spree/product_duplicator_spec.rb

@@ -61,6 +61,10 @@ module Spree
         expect(new_product.name).to eql "COPY OF #{product.name}"
       end
 
+      it "will set the same price" do
+        expect(new_product.reload.price).to eql product.price
+      end
+
       it "will set an unique sku" do
         expect(new_product.sku).to include "COPY OF SKU"
       end