[Feature Request] monaco-editor does not support undo redo

[Coolmjt]

Context

• This issue is not a bug report. (please use a different template for reporting a bug)
• This issue is not a duplicate of an existing issue. (please use the search to find existing issues)

Description

Our project use monaco-editor as a web editor，we implement the undo function. It does not work well. We find some html style
has lost on the web page after undo action.