Uncaught TypeError: t.getModifierState is not a function

[swetapatnaik]

Describe the bug

Uncaught TypeError: e.getModifierState is not a function when using AutoFill in Chrome or Edge

To Reproduce
Steps to reproduce the behavior:

Using Chrome or Edge
Enter some text in the text box "Use AutoFill to populate this textbox"
Click Reload to populate your auto fill buffer in the browser
Now click inside the text box "Use AutoFill to populate this textbox"
Choose your text from the "Saved data" dropdown

In the console following error is thrown.
Uncaught TypeError: e.getModifierState is not a function
at new StandardKeyboardEvent (keyboardEvent.ts:111:24)
at HTMLBodyElement. (dom.ts:178:18)

Or, please add a minimal code snippet to reproduce the issue, for example in codesandbox.

Expected behavior
No error to be thrown

Screenshots
If applicable, add screenshots to help to explain your problem.

Desktop (please complete the following information):

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

Additional context
Add any other context about the problem here.

[ryuujo1573]

This is fixed per microsoft/monaco-editor#4325.