Fix NPC shutdown crash (#2971)

Co-authored-by: Metal Gear Sloth <metalgearsloth@gmail.com>

Content.Server/AI/Utility/Actions/UtilityAction.cs

@@ -62,7 +62,7 @@ namespace Content.Server.AI.Utility.Actions
         {
             Owner = owner;
         }
-        
+
         public virtual void Shutdown() {}
 
         /// <summary>
@@ -78,7 +78,7 @@ namespace Content.Server.AI.Utility.Actions
                 return Outcome.Success;
             }
 
-            op.TryStartup();
+            op.Startup();
             var outcome = op.Execute(frameTime);
 
             switch (outcome)
@@ -116,7 +116,7 @@ namespace Content.Server.AI.Utility.Actions
             // Overall structure is based on Building a better centaur
             // Ideally we should early-out each action as cheaply as possible if it's not valid, thus
             // the finalScore can only go down over time.
-            
+
             var finalScore = 1.0f;
             var minThreshold = min / Bonus;
             context.GetState<ConsiderationState>().SetValue(considerations.Count);