Fix sorted recursive compounds not signaling changes

Author: tryashtar

fNbt/Tags/NbtCompound.cs

@@ -257,10 +257,11 @@ private void DoUnsortRoot(List<NbtTag> order)
         private void DoSort(IComparer<NbtTag> sorter, bool recursive)
         {
             var tags = Tags.OrderBy(x => x, sorter).ToList();
-            foreach (var tag in tags)
+            if (recursive)
             {
-                if (recursive)
+                foreach (var tag in tags)
                 {
+                    tag.RaiseChangedLoop();
                     if (tag is NbtCompound sub)
                         sub.DoSort(sorter, true);
                     else if (tag is NbtList list)

fNbt/Tags/NbtTag.cs

@@ -49,7 +49,7 @@ protected void PerformAction(DescriptionHolder description, Action action, Actio
             RaiseActionPerformed(undoable);
         }
 
-        private void RaiseChangedLoop()
+        internal void RaiseChangedLoop()
         {
             var tag = this;
             while (tag != null)