perf: 将本地图标全部按需引入，首屏加载减少 61 个图标资源，首屏加载再次变快 (#389)

* perf: 优化图标，将本地图标按需引入，首屏加载减少 `61` 个图标资源，首屏加载再次变快

src/layout/components/search/index.vue

@@ -1,6 +1,8 @@
 <script setup lang="ts">
 import { SearchModal } from "./components";
 import { useBoolean } from "../../hooks/useBoolean";
+import Search from "@iconify-icons/ep/search";
+
 const { bool: show, toggle } = useBoolean();
 function handleSearch() {
   toggle();
@@ -12,7 +14,7 @@ function handleSearch() {
     class="search-container w-[40px] h-[48px] flex-c cursor-pointer navbar-bg-hover"
     @click="handleSearch"
   >
-    <IconifyIconOffline icon="search" />
+    <IconifyIconOffline :icon="Search" />
   </div>
   <SearchModal v-model:value="show" />
 </template>