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/Lobby/UI/Loadouts/LoadoutWindow.xaml.cs

@@ -0,0 +1,55 @@
+using Content.Client.UserInterface.Controls;
+using Content.Shared.Preferences;
+using Content.Shared.Preferences.Loadouts;
+using Robust.Client.AutoGenerated;
+using Robust.Client.UserInterface.XAML;
+using Robust.Shared.Player;
+using Robust.Shared.Prototypes;
+
+namespace Content.Client.Lobby.UI.Loadouts;
+
+[GenerateTypedNameReferences]
+public sealed partial class LoadoutWindow : FancyWindow
+{
+    public event Action<ProtoId<LoadoutGroupPrototype>, ProtoId<LoadoutPrototype>>? OnLoadoutPressed;
+    public event Action<ProtoId<LoadoutGroupPrototype>, ProtoId<LoadoutPrototype>>? OnLoadoutUnpressed;
+
+    private List<LoadoutGroupContainer> _groups = new();
+
+    public HumanoidCharacterProfile Profile;
+
+    public LoadoutWindow(HumanoidCharacterProfile profile, RoleLoadout loadout, RoleLoadoutPrototype proto, ICommonSession session, IDependencyCollection collection)
+    {
+        RobustXamlLoader.Load(this);
+        Profile = profile;
+        var protoManager = collection.Resolve<IPrototypeManager>();
+
+        foreach (var group in proto.Groups)
+        {
+            if (!protoManager.TryIndex(group, out var groupProto))
+                continue;
+
+            var container = new LoadoutGroupContainer(profile, loadout, protoManager.Index(group), session, collection);
+            LoadoutGroupsContainer.AddTab(container, Loc.GetString(groupProto.Name));
+            _groups.Add(container);
+
+            container.OnLoadoutPressed += args =>
+            {
+                OnLoadoutPressed?.Invoke(group, args);
+            };
+
+            container.OnLoadoutUnpressed += args =>
+            {
+                OnLoadoutUnpressed?.Invoke(group, args);
+            };
+        }
+    }
+
+    public void RefreshLoadouts(RoleLoadout loadout, ICommonSession session, IDependencyCollection collection)
+    {
+        foreach (var group in _groups)
+        {
+            group.RefreshLoadouts(Profile, loadout, session, collection);
+        }
+    }
+}