Minor changes.

Author: ChebanovDD

src/UnityMvvmToolkit.UnityPackage/Assets/Plugins/UnityMvvmToolkit/Runtime/UITK/BindableUIElements/BindableScrollView.T.cs

@@ -52,6 +52,11 @@ public virtual void Dispose()
 
         public virtual void SetBindingContext(IBindingContext context, IObjectProvider objectProvider)
         {
+            if (string.IsNullOrWhiteSpace(BindingItemsSourcePath))
+            {
+                return;
+            }
+
             _itemsSourceBindingData ??= BindingItemsSourcePath.ToPropertyBindingData();
             _itemTemplate ??= objectProvider.GetCollectionItemTemplate<TItemBindingContext, VisualTreeAsset>();
 
@@ -101,7 +106,7 @@ protected virtual void UnbindItem(VisualElement item, int index, TItemBindingCon
             item.ResetChildsBindingContext(objectProvider);
         }
 
-        private void OnItemsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
+        protected virtual void OnItemsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
         {
             if (e.Action == NotifyCollectionChangedAction.Add)
             {