set fusion style before verify_server

gotify_tray/gui/MainApplication.py

@@ -426,6 +426,7 @@ def start_gui():
     app.setApplicationName(title)
     app.setQuitOnLastWindowClosed(False)
     app.setWindowIcon(QtGui.QIcon(get_icon("gotify-small")))
+    app.setStyle("fusion")
 
     init_logger(logger)
 

gotify_tray/gui/themes/__init__.py

@@ -17,8 +17,6 @@ styles = {
 
 
 def set_theme(app: QtWidgets.QApplication, style: str = "default"):    
-    app.setStyle("fusion")
-    
     if style not in styles.keys():
         logger.error(f"set_style: style {style} is unsupported.")
         return