Fixing assistant registration, take three.

Fixes https://github.com/NTStation/NTstation13/issues/802

Scanning an assistant's ID card with your own will give them an alt title depending on your job now in addition to basic access. An example would be a medical doctor scanning an ID card and the assistant having the job title of 'nurse' with medbay access.

I'm not especially creative so if people have suggestions they can leave them below.