Editable "NeedsHands" for SharedPullerComponent using SharedPullingStateManagementSystem (#21960)

* Editable "NeedsHands" for SharedPullerComponent

* is { get; set; } better?

* Waiter, waiter! There's a worm in my access!

They call me the worst clown there is.

* Get the comp to dirty.

Content.Shared/Pulling/Systems/SharedPullingStateManagementSystem.cs

@@ -210,5 +210,18 @@ namespace Content.Shared.Pulling
                 RaiseLocalEvent(pullable.Owner, new PullableMoveMessage(), true);
             }
         }
+
+        /// <summary>
+        /// Changes if the entity needs a hand in order to be able to pull objects.
+        /// </summary>
+        public void ChangeHandRequirement(EntityUid uid, bool needsHands, SharedPullerComponent? comp)
+        {
+            if (!Resolve(uid, ref comp, false))
+                return;
+
+            comp.NeedsHands = needsHands;
+
+            Dirty(uid, comp);
+        }
     }
 }