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.Shared/Preferences/Loadouts/Effects/SpeciesLoadoutEffect.cs

@@ -1,6 +1,26 @@
+using System.Diagnostics.CodeAnalysis;
+using Content.Shared.Humanoid.Prototypes;
+using Robust.Shared.Player;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Utility;
+
 namespace Content.Shared.Preferences.Loadouts.Effects;
 
-public sealed class SpeciesLoadoutEffect
+public sealed partial class SpeciesLoadoutEffect : LoadoutEffect
 {
-    
+    [DataField(required: true)]
+    public List<ProtoId<SpeciesPrototype>> Species = new();
+
+    public override bool Validate(HumanoidCharacterProfile profile, RoleLoadout loadout, ICommonSession session, IDependencyCollection collection,
+        [NotNullWhen(false)] out FormattedMessage? reason)
+    {
+        if (Species.Contains(profile.Species))
+        {
+            reason = null;
+            return true;
+        }
+
+        reason = FormattedMessage.FromUnformatted(Loc.GetString("loadout-group-species-restriction"));
+        return false;
+    }
 }