CN-1062 fix:左侧filter，type有半选的category，点击disable 报错;内置数据选择框需要禁用;左侧去掉一些勾选的,右侧删除一个，勾选又自动勾上了，但是右侧列表没变化;

src/mixins/table.js

@@ -109,6 +109,9 @@ export default {
         })
       }
     },
+    init () {
+      this.isInit = true
+    },
     changeStatus (status, id) {
       if (!this.isInit) {
         patch(api.knowledgeBaseEnable, { list: [{ knowledgeId: id, status: status }] }).then(response => {
@@ -126,6 +129,13 @@ export default {
         })
       }
     },
+    selectable (row, rowIndex) {
+      if (row.isBuiltIn === 1) {
+        return false
+      } else {
+        return true
+      }
+    },
     tableOperation ([command, row]) {
       switch (command) {
         default: