Action container rejig (#20260)

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>

Content.Shared/Actions/ActionContainerComponent.cs

@@ -0,0 +1,17 @@
+using Robust.Shared.Containers;
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Actions;
+
+/// <summary>
+/// This component indicates that this entity contains actions inside of some container.
+/// </summary>
+[NetworkedComponent, RegisterComponent]
+[Access(typeof(ActionContainerSystem), typeof(SharedActionsSystem))]
+public sealed partial class ActionsContainerComponent : Component
+{
+    public const string ContainerId = "actions";
+
+    [ViewVariables]
+    public Container Container = default!;
+}