Fix JiraImportUsersInput startAt field

startAt is not a required field but threw an error when
no provided in the GraphQL mutation

app/assets/javascripts/jira_import/components/jira_import_app.vue

@@ -104,7 +104,6 @@ export default {
           variables: {
             input: {
               projectPath: this.projectPath,
-              startAt: 1,
             },
           },
         })

app/graphql/mutations/jira_import/import_users.rb

@@ -19,7 +19,7 @@ module Mutations
                required: false,
                description: 'The index of the record the import should started at, default 0 (50 records returned)'
 
-      def resolve(project_path:, start_at:)
+      def resolve(project_path:, start_at: 0)
         project = authorized_find!(full_path: project_path)
 
         service_response = ::JiraImport::UsersImporter.new(context[:current_user], project, start_at).execute

changelogs/unreleased/cngo-fix-jira-import-users-startat.yml

+---
+title: Fix JiraImportUsersInput startAt field
+merge_request: 37492
+author:
+type: fixed

spec/frontend/jira_import/components/jira_import_app_spec.js

@@ -306,7 +306,6 @@ describe('JiraImportApp', () => {
         variables: {
           input: {
             projectPath: 'gitlab-org/gitlab-test',
-            startAt: 1,
           },
         },
       };