fix(svg-icon): 自定义图标在Dropdown组件下hover状态无法显示图标

src/components/custom/SvgIcon.vue

@@ -1,5 +1,5 @@
 <template>
-  <svg aria-hidden="true" width="1em" height="1em" class="inline-block">
+  <svg aria-hidden="true" width="1em" height="1em">
     <use :xlink:href="symbolId" fill="currentColor" />
   </svg>
 </template>

src/utils/common/icon.ts

@@ -35,5 +35,5 @@ export function customIconRender(icon: string, color?: string, size?: number) {
     style.size = `${size}px`;
   }
 
-  return () => h(SvgIcon, { icon, style });
+  return () => h(NIcon, null, { default: () => h(SvgIcon, { icon, style }) });
 }