fix(tests): update invite-all-from test to expect 'unauthorized' error

API.v1.forbidden() without arguments returns 'unauthorized' for
backward compatibility. The test was expecting the old 'Not allowed'
message.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: ggazzo

apps/meteor/tests/end-to-end/api/commands.ts

@@ -469,7 +469,7 @@ describe('[Commands]', () => {
 				})
 				.expect(403)
 				.expect((res) => {
-					expect(res.body).to.have.a.property('error', 'Not allowed');
+					expect(res.body).to.have.a.property('error', 'unauthorized');
 				});
 		});