Lobby refactor + species loadouts support (#27576)

* Vox stuff

* Species loadouts and lobby refactor

The control flow for lobby is all over the shop so I pulled it all up from the individual controls so now they handle the bare minimum required and LobbyUIController handles the rest.

* a

* Bulk changes

* a

* weh

* Character import / export

* finalise

* woops this stuff too

* Also datafield exporting

* comments

* Review

Content.Client/Entry/EntryPoint.cs

@@ -10,10 +10,10 @@ using Content.Client.Info;
 using Content.Client.Input;
 using Content.Client.IoC;
 using Content.Client.Launcher;
+using Content.Client.Lobby;
 using Content.Client.MainMenu;
 using Content.Client.Parallax.Managers;
 using Content.Client.Players.PlayTimeTracking;
-using Content.Client.Preferences;
 using Content.Client.Radiation.Overlays;
 using Content.Client.Replay;
 using Content.Client.Screenshot;