排序优化

blade-service/blade-manager/src/main/java/org/springblade/manager/service/impl/WbsTreeContractServiceImpl.java

@@ -535,7 +535,7 @@ public class WbsTreeContractServiceImpl extends BaseServiceImpl<WbsTreeContractM
                 resultTabs = new ArrayList<>();
             }
         }
-        if (wbsTreeContract.getIsUseSort() == 0) {
+        if (wbsTreeContract.getIsUseSort() == null || wbsTreeContract.getIsUseSort() == 0) {
             //表单排序
             if (resultTabs.size() > 0) {
                 List<AppWbsTreeContractVO> resultTabsToCopy = this.sortTabs(resultTabs, "__"); //复制表排序