Fix NPC prototype reloads (#13981)

Content.Server/NPC/HTN/HTNPlanJob.cs

@@ -11,6 +11,7 @@ namespace Content.Server.NPC.HTN;
 /// </summary>
 public sealed class HTNPlanJob : Job<HTNPlan>
 {
+    private readonly HTNSystem _htn;
     private readonly HTNCompoundTask _rootTask;
     private NPCBlackboard _blackboard;
 
@@ -21,11 +22,13 @@ public sealed class HTNPlanJob : Job<HTNPlan>
 
     public HTNPlanJob(
         double maxTime,
+        HTNSystem htn,
         HTNCompoundTask rootTask,
         NPCBlackboard blackboard,
         List<int>? branchTraversal,
         CancellationToken cancellationToken = default) : base(maxTime, cancellationToken)
     {
+        _htn = htn;
         _rootTask = rootTask;
         _blackboard = blackboard;
         _branchTraversal = branchTraversal;
@@ -156,6 +159,8 @@ public sealed class HTNPlanJob : Job<HTNPlan>
     /// </summary>
     private bool TryFindSatisfiedMethod(HTNCompoundTask compound, Queue<HTNTask> tasksToProcess, NPCBlackboard blackboard, ref int mtrIndex)
     {
+        var compBranches = _htn.CompoundBranches[compound];
+
         for (var i = mtrIndex; i < compound.Branches.Count; i++)
         {
             var branch = compound.Branches[i];
@@ -173,7 +178,9 @@ public sealed class HTNPlanJob : Job<HTNPlan>
             if (!isValid)
                 continue;
 
-            foreach (var task in branch.Tasks)
+            var branchTasks = compBranches[i];
+
+            foreach (var task in branchTasks)
             {
                 tasksToProcess.Enqueue(task);
             }