Bug - [Menu Toggle] - [disabled function not passing down to button]

Describe the problem
If the typeahead toggle is disabled, it isn't passing the disabled state down to the button.

Expected behavior
The button should also have the disabled state

Screenshots

What is your environment?

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

What is your product and what release date are you targeting?

Any other information?

从 issue 中链接的 Menu Toggle typeahead-toggle 文档开始，找到对应的 component entry point。验证禁用 typeahead-toggle 也会禁用其 button，然后确认渲染出的 button 会公开 disabled 状态。