Fix settings tab 500 and env config grouping in UI

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/instance/instance_display_prefs_lib.py

@@ -113,6 +113,6 @@ def display_meta_for_ui() -> list[dict[str, Any]]:
         "show_settings_options_transfer",
     ]
     return [
-        {"group": "顶栏导航", "keys": [{"key": k, "label": DISPLAY_LABELS[k]} for k in nav_keys]},
-        {"group": "系统设置区块", "keys": [{"key": k, "label": DISPLAY_LABELS[k]} for k in settings_keys]},
+        {"group": "顶栏导航", "items": [{"key": k, "label": DISPLAY_LABELS[k]} for k in nav_keys]},
+        {"group": "系统设置区块", "items": [{"key": k, "label": DISPLAY_LABELS[k]} for k in settings_keys]},
     ]