Ref T103, moved directory functions from CBuildConfig to CDirectoryUtils

getApplicationDir renamed to getBinDir() as it works different on MacOs
see https://dev.swift-project.org/w/dev/swiftpc/dirstructure/

src/plugins/simulator/xplaneconfig/simulatorxplaneconfigwindow.cpp

@@ -34,7 +34,7 @@ namespace
 {
     QString xSwiftBusOriginDir()
     {
-        return CDirectoryUtils::applicationDirectoryPath() % QStringLiteral("/../xswiftbus");
+        return CDirectoryUtils::getBinDir() % QStringLiteral("/../xswiftbus");
     }
 }