change csv and tsv to subtypes when importing ezbookkeeping exported files in import transaction dialog

src/locales/zh_Hans.json

@@ -1244,6 +1244,7 @@
     "Time": "时间",
     "Color": "颜色",
     "Type": "类型",
+    "Format": "格式",
     "All Types": "全部类型",
     "More": "更多",
     "All": "全部",
@@ -1523,8 +1524,7 @@
     "Data Import Completed": "数据导入完成",
     "File Type": "文件类型",
     "How to export this file?": "如何导出该文件？",
-    "ezbookkeeping Data Export File (CSV)": "ezbookkeeping 数据导出文件 (CSV)",
-    "ezbookkeeping Data Export File (TSV)": "ezbookkeeping 数据导出文件 (TSV)",
+    "ezbookkeeping Data Export File": "ezbookkeeping 数据导出文件",
     "Quicken Interchange Format (QIF) File": "Quicken Interchange Format (QIF) 文件",
     "Year-month-day format": "年-月-日 格式",
     "Month-day-year format": "月-日-年 格式",