Add flag to suppress warning closes 41669

[charlesinto2]

In React, when you add the contentEditable, you get a warning in the console that warns you about the problems you might encounter using that prop. To remove that warning you have to add another prop: suppressContentEditableWarning.

To remove the warning message add suppressTextareaWarning flag to the component.

<Autocomplete
  options={yourOptions}
  renderInput={(params) => <TextField {...params} multiline />}
  suppressTextareaWarning
/>

#41669

[mui-bot]

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[oliviertassinari]

Duplicate of #41671?

[mj12albert]

Duplicate of https://github.com/mui/material-ui/pull/41671?

@charlesinto2 Thanks for working on this ~ would you be interested in contributing a test to https://github.com/mui/material-ui/pull/41671 instead?