mirage: Add empty GET /api/v1/me/crate_owner_invitations route handler

Author: Turbo87

mirage/route-handlers/me.js

@@ -98,4 +98,6 @@ export function register(server) {
 
     return { ok: true };
   });
+
+  server.get('/api/v1/me/crate_owner_invitations', { crate_owner_invitations: [] });
 }

tests/mirage/invitations-test.js

@@ -13,8 +13,6 @@ module('Mirage | Crate Owner Invitations', function (hooks) {
 
   module('GET /api/v1/me/crate_owner_invitations', function () {
     test('empty case', async function (assert) {
-      this.server.get('/api/v1/me/crate_owner_invitations', { crate_owner_invitations: [] });
-
       let response = await fetch('/api/v1/me/crate_owner_invitations');
       assert.equal(response.status, 200);