项目管理，删除标段，文件夹信息应重新计算

DataModules/ProjectManagerDm.pas

@@ -111,6 +111,7 @@ begin
     DeleteAttachmentFiles(FProjectsTree.Selected);
     DeleteAllTenderFiles(FProjectsTree.Selected);
     FProjectsTree.DeleteNode(FProjectsTree.Selected);
+    CalculateParentInfo(FProjectsTree.Selected.ParentID);
     Save;
   end;
 end;