Allow for weird single-use 2FA codes

Using Norwegian National authentication solution "MinID", single-use codes are only sometimes recognised in the autofill mode. They seem to always be five characters and containing both numbers and lower-case letters, and I'm guessing they are only recognised when containing two or more numbers.

No repository file, test, or entry point is identified in the issue. Start by locating the autofill resource responsible for one-time codes and compare its behavior with the attached MinID example; done means the reported five-character mixed-case codes are consistently recognized.

Written by the indexing model from the issue text.