The recent admin panel updates #54 accidentally are grabbing the last logged in date from the server instead of the last activity. This PR aims to fix it.

Here's an image of the live behaviour of the admin panel for a username:

vs after this PR:

As you can see, the "Last played" field now shows a different date. We can look at the db for this username:

As we can see, this is the right and expected result now

Below is an example of a new user who's made an account and logged in, but hasn't played yet. This is the current behaviour:

And here is the new behaviour:

As we can see, the last played field is null because they haven't played yet. This is their db record:

To test this PR, download it and try it out with the admin panel, comparing the values against the db for last activity instead of last logged in date