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.Server/Database/ServerDbBase.cs

@@ -14,7 +14,6 @@ using Content.Shared.Humanoid;
 using Content.Shared.Humanoid.Markings;
 using Content.Shared.Preferences;
 using Content.Shared.Preferences.Loadouts;
-using Content.Shared.Preferences.Loadouts.Effects;
 using Microsoft.EntityFrameworkCore;
 using Robust.Shared.Enums;
 using Robust.Shared.Network;
@@ -253,8 +252,8 @@ namespace Content.Server.Database
                 spawnPriority,
                 jobs,
                 (PreferenceUnavailableMode) profile.PreferenceUnavailable,
-                antags.ToList(),
-                traits.ToList(),
+                antags.ToHashSet(),
+                traits.ToHashSet(),
                 loadouts
             );
         }