feat: add file icon to table of FileManager #345 (#543)

### What problem does this PR solve?

feat: add file icon to table of FileManager #345
fix: modify datasetDescription

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

web/src/locales/en.ts

@@ -70,7 +70,7 @@ export default {
       namePlaceholder: 'Please input name!',
       doc: 'Docs',
       datasetDescription:
-        "Hey, don't forget to adjust the chunk after adding the dataset! 😉",
+        '😉 Questions and answers can only be answered after the parsing is successful.',
       addFile: 'Add file',
       searchFiles: 'Search your files',
       localFiles: 'Local files',

web/src/locales/zh-traditional.ts

@@ -69,7 +69,7 @@ export default {
       name: '名稱',
       namePlaceholder: '請輸入名稱',
       doc: '文件',
-      datasetDescription: '嘿，添加數據集後別忘了調整解析塊！😉',
+      datasetDescription: '😉 解析成功後才能問答哦。',
       addFile: '新增文件',
       searchFiles: '搜索文件',
       localFiles: '本地文件',

web/src/locales/zh.ts

@@ -69,7 +69,7 @@ export default {
       name: '名称',
       namePlaceholder: '请输入名称',
       doc: '文档',
-      datasetDescription: '嘿，添加数据集后别忘了调整解析块！ 😉',
+      datasetDescription: '😉 解析成功后才能问答哦。',
       addFile: '新增文件',
       searchFiles: '搜索文件',
       localFiles: '本地文件',