Reset relative of entities to 0 on pickup.

This mostly helps with akwardness related to sound positioning.

Content.Server/GameObjects/Components/GUI/ServerHandsComponent.cs

@@ -16,6 +16,7 @@ using SS14.Shared.Interfaces.Network;
 using SS14.Shared.IoC;
 using SS14.Shared.Log;
 using SS14.Shared.Map;
+using SS14.Shared.Maths;
 using SS14.Shared.Serialization;
 using SS14.Shared.Utility;
 using SS14.Shared.ViewVariables;
@@ -137,7 +138,13 @@ namespace Content.Server.GameObjects
 
             var slot = hands[index];
             Dirty();
-            return slot.Insert(item.Owner);
+            var success = slot.Insert(item.Owner);
+            if (success)
+            {
+                item.Owner.Transform.LocalPosition = Vector2.Zero;
+            }
+
+            return success;
         }
 
         public bool CanPutInHand(ItemComponent item)