feat(UI 自动化): 元素库操作列增加描述列

--story=1009477 --user=张大海 【UI测试】UI优化 https://www.tapd.cn/55049933/s/1238256

frontend/src/common/js/default-table-header.js

@@ -285,6 +285,7 @@ export let CUSTOM_TABLE_HEADER = {
     {id: 'name', key: '2', label: 'ui.element_name'},
     {id: 'locationType', key: '3', label: 'ui.element_locator_type'},
     {id: 'location', key: '4', label: 'ui.element_locator'},
+    {id: 'description', key: '9', label: 'ui.description'},
     {id: 'createUser', key: '5', label: 'ui.create_user'},
     {id: 'createTime', key: '6', label: 'commons.create_time'},
     {id: 'updateUser', key: '7', label: 'ui.update_user'},

frontend/src/i18n/en-US.js

@@ -2912,6 +2912,7 @@ export default {
     not_screentshot: "No screenshot",
     error_step_screenshot: "Screenshot of exception",
     downloadScreenshot: "Download screenshot file",
+    description: "remark",
   },
   project_application: {
     workstation: {

frontend/src/i18n/zh-CN.js

@@ -2921,7 +2921,7 @@ export default {
     not_screentshot: "不截图",
     error_step_screenshot: "出现异常截图",
     downloadScreenshot: "下载截图文件",
-
+    description: "备注",
   },
   project_application: {
     workstation: {

frontend/src/i18n/zh-TW.js

@@ -2901,6 +2901,7 @@ export default {
     not_screentshot: "不截圖",
     error_step_screenshot: "出現異常截圖",
     downloadScreenshot: "下載截圖文件",
+    description: "備注",
   },
   project_application: {
     workstation: {