Describe the bug
autocomplete triggers change event again on blur
To Reproduce
Steps to reproduce the behavior: https://stackblitz.com/edit/pallqy?file=src%2Fmain.vue
type a in the input
select 'Austria' for example - change event is triggered
click outside of the autocomplete - change event is triggered again
Expected behavior
the second change event is not triggered if the value is not changed
readonly prop does not work in Autocomplete
https://stackblitz.com/edit/ertuag-b1ggo2?file=src/main.vue
readonly prop does SDHOULD work in Autocomplete