Fix mobs not dropping items when falling down. (#5771)

It checked action blockers, meaning it would never actually drop the items.

Content.Server/Standing/StandingStateSystem.cs

@@ -21,7 +21,7 @@ public class StandingStateSystem : EntitySystem
 
         foreach (var heldItem in hands.GetAllHeldItems())
         {
-            if (!hands.Drop(heldItem.Owner))
+            if (!hands.Drop(heldItem.Owner, false))
                 continue;
 
             var worldRotation = EntityManager.GetComponent<TransformComponent>(uid).WorldRotation.ToVec();