feat(medusa): Separate money amount and variant (#4906)

* initial changes

* working test

* final changes to product tests

* update integration tests

* update price list integration tests

* update integration tests

* update unit tests

* update plugin integration tests

* remove catch from integration test

* undo change

* add andWhere

* update upsertCurrencyMoneyAmount method

* undo line item changes

* undo changes

* update deprecated method

* Update packages/medusa/src/migrations/1692953518123-drop_money_amount_constraints_for_pricing_module.ts

Co-authored-by: Carlos R. L. Rodrigues <37986729+carlos-r-l-rodrigues@users.noreply.github.com>

* rename joinTable

* update with joinTable entity

* update load methods

* remove await create

* re-add context test

* update price list behavior for prices

* update price list snapshots

* re-add admin seeder

* pr feedback

* fix unit tests

* fix plugin integration tests

* initial review changes

* redo changes to variant creation

---------

Co-authored-by: Carlos R. L. Rodrigues <37986729+carlos-r-l-rodrigues@users.noreply.github.com>
Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>

integration-tests/helpers/swap-seeder.js

@@ -264,7 +264,7 @@ module.exports = async (dataSource, data = {}) => {
 
   await manager.save(li2)
 
-  const swapReturn = await manager.create(Return, {
+  const swapReturn = manager.create(Return, {
     swap_id: swap.id,
     order_id: orderWithSwap.id,
     item_id: li.id,