Give some of the most common interaction events EntityUid properties

Content.Shared/Interaction/IInteractHand.cs

@@ -42,11 +42,21 @@ namespace Content.Shared.Interaction
         /// </summary>
         public IEntity User { get; }
 
+        /// <summary>
+        ///     Entity that triggered the interaction.
+        /// </summary>
+        public EntityUid UserUid => User.Uid;
+
         /// <summary>
         ///     Entity that was interacted on.
         /// </summary>
         public IEntity Target { get; }
 
+        /// <summary>
+        ///     Entity that was interacted on.
+        /// </summary>
+        public EntityUid TargetUid => Target.Uid;
+
         public InteractHandEvent(IEntity user, IEntity target)
         {
             User = user;