fix：修改 全局搜索 loading 一直显示的问题 以及 图片 不缓存到localstorage

nezha-fronted/src/components/common/globalSearch/globalSearch.vue

@@ -2,7 +2,7 @@
   <div class="global-search-bac" v-if="globalShow" @click.self="close">
     <div class="global-search-box" :class="firstShow? '' : 'search-after'" @click.self="close">
       <div class="global-search-input" :class="firstShow? '' : 'search-after'">
-        <i class="nz-icon nz-icon-search" v-my-loading:circle3.scaleMin.icon="loading"></i>
+        <i class="nz-icon nz-icon-search" v-my-loading:circle3.scaleMin.icon="jumpLoading"></i>
         <el-input v-model="searchStr" @input="searchAll" ref="searchStr" :placeholder="$t('globalSearch.placeholder')" @keydown.native="inputKeydown" clearable></el-input>
         <div @click="close" class="global-search-cancel">
           {{$t('overall.cancel')}}