Add HUD button that displays your SSS role and allies (#1895)

* Add button that displays your SSS role and allies

* Capitalize button name

* Add cases for 0, 1 and invalid number of allies

* Make the ally syncing system saner

Content.Client/GameObjects/Components/Items/HandsComponent.cs

@@ -17,10 +17,10 @@ namespace Content.Client.GameObjects.Components.Items
     [ComponentReference(typeof(ISharedHandsComponent))]
     public class HandsComponent : SharedHandsComponent
     {
-        private HandsGui? _gui;
-
         [Dependency] private readonly IGameHud _gameHud = default!;
 
+        private HandsGui? _gui;
+
         /// <inheritdoc />
         private readonly List<Hand> _hands = new List<Hand>();