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

src/components/contenteditable.vue

@@ -1,12 +1,9 @@
 <template>
-  <div
-    ref="editor"
-    :contenteditable="active"
-    class="van-field"
-    v-html="modelValue"
-  ></div>
+  <div ref="editor" :contenteditable="active" class="van-field" v-html="modelValue"></div>
   <div v-if="showAction && active" ref="editorAction" class="editor-action">
-    <button v-for="item in actions" :key="item.name" @click="funEvent(item,$event)">{{ item.label }}</button>
+    <button v-for="item in actions" :key="item.name" @click="funEvent(item, $event)">
+      {{ item.label }}
+    </button>
   </div>
 </template>
 
@@ -52,7 +49,7 @@ watch(
   () => props.active,
   (newVal) => {
     if (newVal) {
-      showAction.value = true;
+      // showAction.value = true;
     } else {
       save(editor.value);
       setTimeout(() => {
@@ -105,7 +102,7 @@ onMounted(() => {
   position: fixed;
   bottom: 0;
   left: 0;
-  z-index: 3000;
+  z-index: 2008;
   width: 100%;
   height: 40px;
   padding: 0 10px;