[People] Show last access instead of last login

[a_coombs]

The People list in the admin area of an account or subaccount shows Name, Email, SIS ID and Last Login.
The Last Login field shows the date of the last time a user actually carried out a login, but as, particularly with SSO, people often bypass this process when accessing Canvas, this date can regularly be days (in some cases we've seen weeks) older than the last time they actually did something in Canvas.

For an admin or someone keeping a quick monitor on activity, the date of last login is therefore not particularly useful.

Could this be replaced, therefore with the date of last access - the last time a user accessed something within Canvas - which would give a much more useful picture of their engagement.