style: 翻译MOS Average改为MOS

src/i18n/locales/en-US.ts

@@ -437,7 +437,7 @@ export default {
         rowInfo: "Info",
         type: "Type",
         duration: "Duration",
-        mosAverage: "MOS Average",
+        mosAverage: "MOS",
         callConnectionTime: "Call Connection Time",
         seizureTime: "Call Start Time",
         releaseTime: "Hangup Time",

src/i18n/locales/zh-CN.ts

@@ -437,7 +437,7 @@ export default {
         rowInfo: "记录信息",
         type: "记录类型",
         duration: "通话时长",
-        mosAverage: "MOS Average",
+        mosAverage: "MOS",
         callConnectionTime: "Call Connection Time",
         seizureTime: "呼叫开始时间",
         releaseTime: "挂断结束时间",