change: delegate early checks to BootWindow

dzgui/init/dayz.py

@@ -20,5 +20,4 @@ def is_dayz_installed(config: Path) -> None:
         PeFile.get_app_path(Path(path) / LIBRARYFOLDERS_PATH, APPID_DAYZ)
     except Exception as e:
         logger.critical(e)
-        EarlyAlertDialog(dayz_not_found)
-        sys.exit(1)
+        raise e