修复 title-prefix HTML 类型无效问题

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vxe-table",
-  "version": "4.7.45",
+  "version": "4.7.46",
   "description": "一个基于 vue 的 PC 端表格组件，支持增删改查、虚拟树、列拖拽，懒加载、快捷菜单、数据校验、树形结构、打印、导入导出、自定义模板、渲染器、JSON 配置式...",
   "scripts": {
     "update": "npm install --legacy-peer-deps",
@@ -28,7 +28,7 @@
   "style": "lib/style.css",
   "typings": "types/index.d.ts",
   "dependencies": {
-    "vxe-pc-ui": "^4.0.49"
+    "vxe-pc-ui": "^4.0.50"
   },
   "devDependencies": {
     "@types/resize-observer-browser": "^0.1.11",