Set the translation domain just once at the proper time

The translation domain must be set immediately after the QApplication
instance is created, before any i18n call takes place. See:

https://api.kde.org/frameworks/ki18n/html/prg_guide.html#link_prog

src/main.cpp

@@ -93,6 +93,8 @@ int main(int argc, char *argv[])
 
     QApplication app(argc, argv);
 
+    KLocalizedString::setApplicationDomain("elisa");
+
 #if defined Qt5AndroidExtras_FOUND && Qt5AndroidExtras_FOUND
     qInfo() << QCoreApplication::arguments();
 
@@ -108,8 +110,6 @@ int main(int argc, char *argv[])
 
     QApplication::setWindowIcon(QIcon::fromTheme(QStringLiteral("elisa")));
 
-    KLocalizedString::setApplicationDomain("elisa");
-
     KAboutData aboutData( QStringLiteral("elisa"),
                           i18n("Elisa"),
                           QStringLiteral(ELISA_VERSION_STRING),
@@ -127,8 +127,6 @@ int main(int argc, char *argv[])
 
     KAboutData::setApplicationData(aboutData);
 
-    KLocalizedString::setApplicationDomain("elisa");
-
     QCommandLineParser parser;
     parser.addHelpOption();
     parser.addVersionOption();