style(mine): 更新个人信息项图标样式

更新部门和岗位信息项的图标，分别替换为 'grid-fill' 和 'account-fill'，以提升视觉一致性和美观度

pages/mine/index.vue

@@ -40,8 +40,8 @@
             return {
                 info: {},
                 infoFields: [
-                    { key: 'department_name', label: '部门', icon: 'home-fill', bg: 'linear-gradient(135deg, #8b5cf6, #7c3aed)' },
-                    { key: 'position_name', label: '岗位', icon: 'star-fill', bg: 'linear-gradient(135deg, #f59e0b, #d97706)' }
+                    { key: 'department_name', label: '部门', icon: 'grid-fill', bg: 'linear-gradient(135deg, #8b5cf6, #7c3aed)' },
+                    { key: 'position_name', label: '岗位', icon: 'account-fill', bg: 'linear-gradient(135deg, #f59e0b, #d97706)' }
                 ]
             };
         },