fix: make shipping_option_id on requirements optional (#340)

* changed validator so that reqiurement shipping_option_id is now optional + added integration test that confirms that when an update contains a requirement without an ID it is created

* fix: formatting

* fix: un-bump babel-preset-medusa-package

* chore: update yarn.lock

* fix: implemented suggested changes, need to validate behaviour on clean branch so NOT ready for merging just yet

* fix: implemented suggested changes, need to validate behaviour on clean branch so NOT ready for merging just yet

* afix: made it impossible to set a min. subtotal requirement that is greater than max. subtotal

* fix: added explanation to error

* fix: Error when removing requirement on update

Co-authored-by: olivermrbl <oliver@mrbltech.com>

packages/medusa/src/api/routes/admin/shipping-options/update-shipping-option.js

@@ -56,7 +56,7 @@ export default async (req, res) => {
     requirements: Validator.array()
       .items(
         Validator.object({
-          id: Validator.string().required(),
+          id: Validator.string().optional(),
           type: Validator.string().required(),
           amount: Validator.number()
             .integer()