UI refactoring

utils/default_config.py

@@ -7,6 +7,7 @@ from __future__ import annotations
 import sys
 import os
 from typing import Any, Dict
+from copy import deepcopy
 
 from ui.i18n import detect_system_language
 
@@ -26,11 +27,12 @@ _TRAY_DEFAULTS_COMMON: Dict[str, Any] = {
     "cfproxy_worker_domain": [],
     "force_test_dc": False,
     "no_secure": False,
+    "appearance": "auto",
 }
 
 
 def default_tray_config() -> Dict[str, Any]:
-    cfg = dict(_TRAY_DEFAULTS_COMMON)
+    cfg = deepcopy(_TRAY_DEFAULTS_COMMON)
     cfg["secret"] = os.urandom(16).hex()
     cfg["language"] = detect_system_language().value