Revert "synchronizedList must be in a synchronized block when iterating"

This reverts commit 1f12fc5e91.

src/main/java/appeng/client/me/ItemRepo.java

@@ -70,6 +70,7 @@ public class ItemRepo {
 
     public IAEItemStack getReferenceItem(int idx) {
         idx += this.src.getCurrentScroll() * this.rowSize;
+
         if (idx >= this.view.size()) {
             return null;
         }
@@ -218,8 +219,8 @@ public class ItemRepo {
 
             return view;
         }).thenAcceptAsync(view -> {
-            this.updated = true;
-            this.asyncUpdatedView.addAll(view);
+            this.view.clear();
+            this.view.addAll(view);
         }).thenRunAsync(() -> {
             this.searchTask = null; // Prevent redundant cancellation
         });