tree 99c15b529b70b8c1126c61dbca6d9f5996899830
parent ea68a46f05fd308e79d8b925eaca7e5fd32df33b
author Bruno Leroux <bruno.leroux@gmail.com> 1744871821 +0200
committer dart-internal-monorepo <dart-internal-monorepo@dart-ci-internal.iam.gserviceaccount.com> 1744874427 -0700

Add DropdownMenu.restorationId (#166684)

## Description

This PR introduces `DropdownMenu.restorationId`.
This value is passed to the inner `TextField.restorationId` which is
required to activate the TextField restoration capability.

## Related Issue

Required for https://github.com/flutter/flutter/pull/163721

## Tests

Adds 1 test.
https://dart.googlesource.com/external/github.com/flutter/flutter/+/eee1cffceea3b53287c8097679a9c868c4831330