Cloud: don't want eSignature to require a code to phone/email when Oracle Authentication is active

Summary: We are a medical device company under 21 CFR Part11. When a Quality Inspection is submitted for eSignature approval, username and password are required, this is Cloud standard functionality and matches the desired business requirement. However, users can change laptop browser settings (Chrome, Edge, Firefox..) to override keystroking a username & password with autofill of username & password; autofill cannot be permitted. We do not have a solution for how to control access to browser settings so that keystroking usernames & passwords can't be overridden. An alternative to keystroking usernames & passwords