Use LocalAppData fallback for Windows ChatGUI storage

tools/chatgui/src/mainwindow.cpp

@@ -53,6 +53,9 @@ extern "C" {
 #include <QFile>
 #include <QTextStream>
 #include <QDir>
+#ifdef _WIN32
+#include <QFileInfo>
+#endif
 #include <cmath>
 #include <QJsonDocument>
 #include <QJsonObject>
@@ -362,7 +365,11 @@ void MainWindow::setupSoundFromConfig() {
     }
 
     if (soundDir.isEmpty()) soundDir = "sounds";
+#ifdef _WIN32
+    QDir binDir(QFileInfo(m_cfgPath).absolutePath());
+#else
     QDir binDir(QApplication::applicationDirPath());
+#endif
     QString baseDir = QDir::isAbsolutePath(soundDir) ? soundDir : binDir.absoluteFilePath(soundDir);
     auto resolvePath = [&baseDir](const QString& f) { return f.isEmpty() ? QString() : QDir::cleanPath(baseDir + "/" + f); };