Don't copy all storefront files to sandbox

Author: damianlegawiec

lib/sandbox.sh

@@ -68,6 +68,6 @@ RUBY
 bundle install --gemfile Gemfile
 bundle exec rails db:drop || true
 bundle exec rails db:create
-bundle exec rails g spree:install --auto-accept --user_class=Spree::User --enforce_available_locales=true --copy_views=false
+bundle exec rails g spree:install --auto-accept --user_class=Spree::User --enforce_available_locales=true --copy_storefront=false
 bundle exec rails g spree:auth:install
 bundle exec rails g spree_gateway:install