style: change view toggle bar position from sticky to static

- Updated the position of the view toggle bar in the dashboard from sticky to static for improved layout consistency.
- Adjusted the top positioning to align with the navigation bar height, enhancing overall user experience.

src/app/pages/team-leader/dashboard/dashboard.scss

@@ -2401,7 +2401,7 @@
 
 // 🆕 视图切换按钮栏样式
 .view-toggle-bar {
-  position: sticky;
+  position: static;
   top: 50px; // 根据导航栏高度调整
   z-index: 99;
   background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);