gitboyzcf: Fixed 修复一级菜单问题

[gitboyzcf]

Types of changes

• New feature
• Bug fix
• Documentation change
• Coding style change
• Refactoring
• Performance improvement
• Test cases
• Continuous integration
• Typescript definition change
• Breaking change

Background and context

当前vue版Arco Design Pro只能是二级菜单以及外链行为，下图👇是未修改之前

修改之后可以配置原功能不变可以配置多级菜单也可以配置一级菜单 也可以外链，下图👇是修改之后

Solution

How is the change tested?

Changelog

Changelog(CN)	Changelog(EN)	Related issues

Checklist:

• Provide changelog for relevant changes (e.g. bug fixes and new features) if applicable.
• Changes are submitted to the appropriate branch (e.g. features should be submitted to feature branch and others should be submitted to master branch)

Other information