Feat: bulk delete customers from customer group (#1097)

* integration testing

* customer seeder

* initial bulk removal

* integraiton testing of deletes

* delete fix

* not found test

* remove unused code

* Apply suggestions from code review

Co-authored-by: Sebastian Rindom <skrindom@gmail.com>

* update integration tests

* pr review fixes

* update migration

* formatting

* integration tests for deletion

* pr feedback

* fix failing integration tests

* remove integration tests before merging

Co-authored-by: Sebastian Rindom <skrindom@gmail.com>

integration-tests/api/__tests__/admin/customer.js

@@ -56,7 +56,7 @@ describe("/admin/customers", () => {
         })
 
       expect(response.status).toEqual(200)
-      expect(response.data.count).toEqual(6)
+      expect(response.data.count).toEqual(8)
       expect(response.data.customers).toEqual(
         expect.arrayContaining([
           expect.objectContaining({