feat(component): 优化 contenteditable组件功能

- 添加 showAction 控制编辑按钮显示
- 实现文本域聚焦和失焦时的编辑按钮显示和隐藏
-优化键盘弹出和收起时的编辑按钮显示逻辑
-修复文档中描述的产品问卷配置- 优化问卷设计页面的题目编辑功能

components.d.ts

@@ -14,9 +14,12 @@ declare module 'vue' {
     VanButton: typeof import('vant/es')['Button']
     VanCell: typeof import('vant/es')['Cell']
     VanCellGroup: typeof import('vant/es')['CellGroup']
+    VanCheck: typeof import('vant/es')['Check']
+    VanCheckbo: typeof import('vant/es')['Checkbo']
     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']