fix(frontend): QFileDialog is incompletely translated.

Description: 修复文件选择弹窗汉化不完整的bug

Log: 修复文件选择弹窗汉化不完整的bug
Bug: http://172.17.66.192/biz/bug-view-35800.html

src/main.cpp

@@ -200,6 +200,15 @@ int main(int argc, char *argv[])
         qDebug() << "Load translations file" << QLocale() << "failed!";
     }
 
+    QTranslator qt_translator;
+    try {
+        if (! qt_translator.load(":/res/qt-translations/qt_zh_CN.qm")) throw -1;
+        app.installTranslator(&qt_translator);
+    } catch (...) {
+        qDebug() << "Load translations file" << QLocale() << "failed!";
+    }
+
+
     MainWindow *w = new MainWindow;
     QStringList arguments = QCoreApplication::arguments();
 //    centerToScreen(w);

src/resource.qrc

@@ -3,5 +3,6 @@
         <file>res/icons/edit-find-symbolic.svg</file>
         <file>res/icons/desktop.png</file>
         <file>res/icons/close.svg</file>
+        <file>res/qt-translations/qt_zh_CN.qm</file>
     </qresource>
 </RCC>