Fix User Statistics page not allowing federated filter

[e-five256]

If you navigate to /settings/stats while logged in to an account, you'll see a normal stats page for users that we use for magazines and the overall site as well.

However, if you attempt to use the dropdown that says Local and change it to Federated, the page will be reloaded and the URL will get ?withFederated=1 and the dropdown will stay Local. This is because the route and controller did not allow for setting federated status on the user stats page

This fixes the route and passes that through the controller into the stat manager, just like magazine/overall do

There might be a bit of an investigation into why it was this way. Was it just never hooked up, or was there an issue? I don't see how this would be worse than magazine or overall stats. We could go the opposite way and just remove the dropdown from the user stat page so only local statistics are possible to view

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I tested this with my dev environment... which only has local posts. So although I didn't see any issues with errors, I can't tell whether the numbers would be accurate as all my content is local

[e-five256]

In hindsight I probably now see why ernest just hardcoded it to local only: posts you make are always local so the federated selection always show the same stats as local

Knowing that, we could just remove the drop down completely so it's less confusing. There might be more complicated options like making the stats based off the magazine you're replying to being local or federated, because that's sort of what I expected the metric to be, how often you post to local content vs remote content, but maybe that's more confusing and just have a page of your stats is fine