Tanks to SGCBB (https://github.com/vrana/adminer/pull/488)
if ($name == 'password') {
return $heading . $value
. "<tr><th><acronym title='One Time Password' lang='en'>OTP</acronym>"
- . "<td><input type='number' name='auth[otp]' value='" . h($_SESSION["otp"]) . "' size='6' autocomplete='off'>\n"
+ . "<td><input type='number' name='auth[otp]' value='" . h($_SESSION["otp"]) . "' size='6' autocomplete='one-time-code' inputmode='numeric' maxlength='6' pattern='\d{6}'>\n"
;
}
}