issue: Requests to update an example of Controller for MUI date picker

[Yedidya10]

Version Number

V7

Codesandbox/Expo snack

https://codesandbox.io/s/react-hook-form-v7-controller-5h1q5
From https://github.com/react-hook-form/react-hook-form/tree/master/examples

Steps to reproduce

1. Go to https://codesandbox.io/s/react-hook-form-v7-controller-5h1q5?file=/src/Mui.js
2. The snap shows an example based on the @material-ui/pickers code library which is already depressed.

I ran into issues like setting a default value for a date picker, and I hope an updated example can explain the implementation better.

Expected behaviour

Improving and updating the date pickers example based on the mui component

What browsers are you seeing the problem on?

Chrome

Relevant log output

No response

Code of Conduct

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