refactor(css): 优化 CSS 文件引用和样式定义

- 移除 CSS 文件名中的 .scss后缀
- 调整 YLSelect 组件样式
- 优化 QuestionBefore 组件布局- 统一 ActionCompoents 样式
- 调整 Survey 创建页面样式
- 更新 components.d.ts 文件

components.d.ts

@@ -16,11 +16,11 @@ declare module 'vue' {
     VanCheckbox: typeof import('vant/es')['Checkbox']
     VanCheckboxGroup: typeof import('vant/es')['CheckboxGroup']
     VanCol: typeof import('vant/es')['Col']
+    VanDialog: typeof import('vant/es')['Dialog']
     VanDivider: typeof import('vant/es')['Divider']
     VanField: typeof import('vant/es')['Field']
     VanIcon: typeof import('vant/es')['Icon']
     VanPopup: typeof import('vant/es')['Popup']
-    VanRate: typeof import('vant/es')['Rate']
     VanRow: typeof import('vant/es')['Row']
     VanSearch: typeof import('vant/es')['Search']
     VanSwitch: typeof import('vant/es')['Switch']