fix: ILIKE operator not supported in sqlite (#393)

* fix: replace ILIKE operator with ILike function where possible

* remove: unused import

* fix: remove alias from test case as it is not needed

* fix: product variant query

* add: integration tests + fallback to original query for all queries searching on the display_id field

* remove: console.log

packages/medusa/src/services/__tests__/discount.js

@@ -494,9 +494,6 @@ describe("DiscountService", () => {
 
       expect(discountRepository.findAndCount).toHaveBeenCalledTimes(1)
       expect(discountRepository.findAndCount).toHaveBeenCalledWith({
-        join: {
-          alias: "discount",
-        },
         where: expect.anything(),
         skip: 0,
         take: 50,