Refactor actions to be entities with components (#19900)

Content.Shared/UserInterface/ToggleIntrinsicUIEvent.cs

@@ -0,0 +1,12 @@
+using Content.Shared.Actions;
+using JetBrains.Annotations;
+using Robust.Shared.Serialization.TypeSerializers.Implementations;
+
+namespace Content.Shared.UserInterface;
+
+[UsedImplicitly]
+public sealed partial class ToggleIntrinsicUIEvent : InstantActionEvent
+{
+    [DataField("key", customTypeSerializer: typeof(EnumSerializer), required: true)]
+    public Enum? Key { get; set; }
+}