fix: hide admin i18n/settings icons and widen portal content.

Disable unused header language/settings switches and raise homepage wrap width from 1140px to 1320px for both templates.

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

admin/src/config/modules/headerBar.ts

@@ -47,11 +47,11 @@ export const headerBarConfig: HeaderBarFeatureConfig = {
     description: '聊天功能，提供实时沟通'
   },
   language: {
-    enabled: true,
+    enabled: false,
     description: '多语言切换功能'
   },
   settings: {
-    enabled: true,
+    enabled: false,
     description: '系统设置面板'
   },
   themeToggle: {