Add EntityWorldTargetAction (#29819)

* Add EntityWorldTargetAction initial implementation

* Update obsolete methods

* Partially working EntityWorldTargetAction

* Fix entity selection

* Move and clean up AfterInteract

* Fix building new walls

* Readd no entity or coordinates error

* Consolidate action validation code

* Add summaries to component

---------

Co-authored-by: Ed <96445749+TheShuEd@users.noreply.github.com>

Content.Shared/Actions/ActionEvents.cs

@@ -101,6 +101,13 @@ public sealed class RequestPerformActionEvent : EntityEventArgs
         Action = action;
         EntityCoordinatesTarget = entityCoordinatesTarget;
     }
+
+    public RequestPerformActionEvent(NetEntity action, NetEntity entityTarget, NetCoordinates entityCoordinatesTarget)
+    {
+        Action = action;
+        EntityTarget = entityTarget;
+        EntityCoordinatesTarget = entityCoordinatesTarget;
+    }
 }
 
 /// <summary>
@@ -144,6 +151,27 @@ public abstract partial class WorldTargetActionEvent : BaseActionEvent
     public EntityCoordinates Target;
 }
 
+/// <summary>
+///     This is the type of event that gets raised when an <see cref="EntityWorldTargetActionComponent"/> is performed.
+///     The <see cref="BaseActionEvent.Performer"/>, <see cref="Entity"/>, and <see cref="Coords"/>
+///     fields will automatically be filled out by the <see cref="SharedActionsSystem"/>.
+/// </summary>
+/// <remarks>
+///     To define a new action for some system, you need to create an event that inherits from this class.
+/// </remarks>
+public abstract partial class EntityWorldTargetActionEvent : BaseActionEvent
+{
+    /// <summary>
+    ///     The entity that the user targeted.
+    /// </summary>
+    public EntityUid? Entity;
+
+    /// <summary>
+    ///     The coordinates of the location that the user targeted.
+    /// </summary>
+    public EntityCoordinates? Coords;
+}
+
 /// <summary>
 ///     Base class for events that are raised when an action gets performed. This should not generally be used outside of the action
 ///     system.