Autocomplete not displaying error when touched

[ErikParso]

Describe the bug
As other fields, if autocomplete value is invalid and user touches the field, it should show error.

To Reproduce
Steps to reproduce the behavior:

1. add validation to autocomplete (to be mandatory f.e.)
2. Focus autocomplete
3. Blur autocomplete
4. Autocomplete not showing error

Expected behavior
Autocomplete should be red and show error message

[lookfirst]

Hi Erik, this probably needs a code example.

[ErikParso]

fixed here #739