The bug happens when you use autocomplete, and the user fills in the same value as what is recommended and the user clicks on the recommended value, if it is the same as the filled value, it will not dismiss the overlay.

Steps to Reproduce

This bug is on any Autocomplete widget
Even on the Api.flutter.dev

1. Go to https://api.flutter.dev/flutter/material/Autocomplete-class.html
2. Run the first example.
3. in the input field type in 'aardvark'
4. click on the recommended answer that is the same

Expected results:
The expected result is the overlay to dismiss.

Actual results:
Overlay stays, and nothing happens, the material splash happens, but it does not close the overlay.