added a winehelper launch button when dependencies are successfully installed

winehelper_gui.py

@@ -341,6 +341,7 @@ class DependencyManager:
 
                 if not still_missing:
                     installation_successful = True
+                    close_button.setText("Запустить WineHelper")
                 else:
                     warn_box = QMessageBox(dialog)
                     warn_box.setWindowIcon(self.app_icon)