style:优化字体图标和样式

- 更新移动设备字体图标- 调整公共样式，包括开关、表格、blockquote等- 优化代码高亮样式- 添加新的字体图标样式

src/components/contenteditable.vue

@@ -1,5 +1,11 @@
 <template>
-  <div ref="editor" :contenteditable="active" class="van-field" v-html="modelValue"></div>
+  <p
+    ref="editor"
+    :contenteditable="active"
+    class="van-field"
+    :class="className"
+    v-html="modelValue"
+  ></p>
   <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 }}
@@ -15,6 +21,10 @@ const props = defineProps({
     type: String,
     default: ''
   },
+  className: {
+    type: String,
+    default: ''
+  },
   active: {
     type: Boolean,
     default: false