feat: Implement admin get app auth clients API endpoint

packages/backend/test/factories/app-config.js

@@ -1,7 +1,8 @@
 import AppConfig from '../../src/models/app-config.js';
+import { faker } from '@faker-js/faker';
 
 export const createAppConfig = async (params = {}) => {
-  params.key = params?.key || 'gitlab';
+  params.key = params?.key || faker.lorem.word();
 
   const appConfig = await AppConfig.query().insertAndFetch(params);
 

packages/backend/test/mocks/rest/api/v1/admin/app-auth-clients/get-app-auth-clients.js

@@ -0,0 +1,19 @@
+const getAdminAppAuthClientsMock = (appAuthClients) => {
+  return {
+    data: appAuthClients.map((appAuthClient) => ({
+      appConfigId: appAuthClient.appConfigId,
+      name: appAuthClient.name,
+      id: appAuthClient.id,
+      active: appAuthClient.active,
+    })),
+    meta: {
+      count: appAuthClients.length,
+      currentPage: null,
+      isArray: true,
+      totalPages: null,
+      type: 'AppAuthClient',
+    },
+  };
+};
+
+export default getAdminAppAuthClientsMock;