[FIX] web: disale autofill on input elements

with this commit we disables autofill of autocomplete by setting
autocomplete=off, this was previously done in commit: 64293fbd
but it was not working because we were setting autocomplete=none
it seems that none does not work all the time.

task-2462676

closes odoo/odoo#68271

Signed-off-by: Aaron Bohy (aab) <aab@odoo.com>