多人协作下，锁定时，清单不可delete

app/public/js/stage.js

@@ -880,7 +880,7 @@ $(document).ready(() => {
                 const datas = [], dgnDatas = [], mainDatas = [];
                 for (let iRow = sel.row; iRow < sel.row + sel.rowCount; iRow++) {
                     const node = sortData[iRow];
-                    if (node) {
+                    if (node && !node.lock) {
                         const data = { lid: node.id }, dgnData = { id: node.id }, mainData = { id: node.id };
                         let filter = true, filterDgn = true, filterMain = true;
                         for (const iCol of validCols) {