fix(DefaultBuildinFileSystem): 未找到内置目录文件时操作视为成功

将加载内置目录文件失败的错误处理改为警告并跳过。当在Resources中未找到指定文件时，不再将操作状态标记为失败，而是记录警告日志并将状态设为成功，以允许系统在没有内置目录的情况下继续运行。

Author: AlianBlank

Runtime/FileSystem/DefaultBuildinFileSystem/Operation/internal/LoadBuildinCatalogFileOperation.cs

@@ -43,9 +43,9 @@ public override void InternalOnUpdate()
                 var catalog = Resources.Load<DefaultBuildinFileCatalog>(catalogFilePath);
                 if (catalog == null)
                 {
+                    YooLogger.Warning($"BuildinCatalog file not found : {catalogFilePath}. Skip loading buildin catalog.");
                     _steps = ESteps.Done;
-                    Status = EOperationStatus.Failed;
-                    Error = $"Failed to load catalog file : {catalogFilePath}";
+                    Status = EOperationStatus.Succeed;
                     return;
                 }