Set desktop file and app name

src/leek_app.py

@@ -11,6 +11,8 @@ from PySide6.QtQml import QQmlApplicationEngine
 def main():
     """Initializes and manages the application execution"""
     app: QGuiApplication = QGuiApplication(sys.argv)
+    app.desktopFileName = "xyz.xyz.toast003.leek"
+    app.applicationName = "Leek"
     engine = QQmlApplicationEngine()
 
     """Needed to close the app with Ctrl+C"""