Fixed #4337 - DataTable: editingRows is not reactive

components/lib/datatable/DataTable.vue

@@ -386,10 +386,13 @@ export default {
                 this.updateExpandedRowKeys(newValue);
             }
         },
-        editingRows(newValue) {
+        editingRows: {
+            deep: true,
+            handler(newValue) {
                 if (this.dataKey) {
                     this.updateEditingRowKeys(newValue);
                 }
+            }
         },
         filters: {
             deep: true,