Move HUD options to general options tab (#22884)

Content.Shared/HUD/HudThemePrototype.cs

@@ -3,7 +3,7 @@
 namespace Content.Shared.HUD
 {
     [Prototype("hudTheme")]
-    public sealed partial class HudThemePrototype : IPrototype
+    public sealed partial class HudThemePrototype : IPrototype, IComparable<HudThemePrototype>
     {
         [DataField("name", required: true)]
         public string Name { get; private set; } = string.Empty;
@@ -13,5 +13,16 @@ namespace Content.Shared.HUD
 
         [DataField("path", required: true)]
         public string Path { get; private set; } = string.Empty;
+
+        /// <summary>
+        /// An order for the themes to be displayed in the UI
+        /// </summary>
+        [DataField]
+        public int Order = 0;
+
+        public int CompareTo(HudThemePrototype? other)
+        {
+            return Order.CompareTo(other?.Order);
+        }
     }
 }