Give some of the most common interaction events EntityUid properties

Content.Shared/Interaction/IActivate.cs

@@ -45,11 +45,21 @@ namespace Content.Shared.Interaction
         /// </summary>
         public IEntity User { get; }
 
+        /// <summary>
+        ///     Entity that activated the target world entity.
+        /// </summary>
+        public EntityUid UserUid => User.Uid;
+
         /// <summary>
         ///     Entity that was activated in the world.
         /// </summary>
         public IEntity Target { get; }
 
+        /// <summary>
+        ///     Entity that was activated in the world.
+        /// </summary>
+        public EntityUid TargetUid => Target.Uid;
+
         public ActivateInWorldEvent(IEntity user, IEntity target)
         {
             User = user;