When using the Autocomplete component with the freeSolo option, the entered value is removed right after leaving the text field.

• The issue is present in the latest release.
• I have searched the issues of this repository and believe that this is not a duplicate.

Current Behavior 😯

See the image below (Material-UI v5.0.0-beta.4)

Expected Behavior 🤔

See the image below (Material-UI v4.12.3)

The Autocomplete component should not remove the entered text.

Steps to Reproduce 🕹

Steps:

1. Visit https://next.material-ui.com/components/autocomplete/#free-solo
2. Enter a text
3. Leave the input field
4. BUG: Text is removed

Your Environment 🌎

• MacOS
• Chrome 92.0.4515.159