Fix: #4037 Being able to dehandcuff yourself while dead (#4062)

* Fix #4037 (dead handcuffs)

* check ActionBlocker.CanInteract

* Removed unnecessary using

Co-authored-by: Michael Will <will_m@outlook.de>

Content.Server/GameObjects/Components/ActionBlocking/CuffableComponent.cs

@@ -206,7 +206,7 @@ namespace Content.Server.GameObjects.Components.ActionBlocking
                 return;
             }
 
-            if (!isOwner && !ActionBlockerSystem.CanInteract(user))
+            if (!ActionBlockerSystem.CanInteract(user))
             {
                 user.PopupMessage(Loc.GetString("You can't do that!"));
                 return;