Action stuff (#31305)

* Action stuff

- Cleanup some event stuff
- Avoid dirtying entity unnecessarily
- Add ActionGrant as an easy way to apply / remove actions via compregistry.

* Fix merge

Content.Shared/Actions/Events/ActionComponentChangeEvent.cs

@@ -0,0 +1,27 @@
+using Robust.Shared.Prototypes;
+
+namespace Content.Shared.Actions.Events;
+
+/// <summary>
+/// Adds / removes the component upon action.
+/// </summary>
+[Virtual]
+public partial class ActionComponentChangeEvent : InstantActionEvent
+{
+    [DataField(required: true)]
+    public ComponentRegistry Components = new();
+}
+
+/// <summary>
+/// Similar to <see cref="ActionComponentChangeEvent"/> except raises an event to attempt to relay it.
+/// </summary>
+public sealed partial class RelayedActionComponentChangeEvent : ActionComponentChangeEvent
+{
+
+}
+
+[ByRefEvent]
+public record struct AttemptRelayActionComponentChangeEvent
+{
+    public EntityUid? Target;
+}