fix: 接口定义页面中不同卡片页的图标

修复接口定义页面中不同卡片页的图标与原型图对应不上的问题

frontend/src/business/components/api/definition/components/list/ApiListContainer.vue

@@ -4,11 +4,11 @@
     <el-button-group v-if="isShowChangeButton">
 
       <el-tooltip class="item" effect="dark" content="接口列表" placement="left">
-        <el-button plain size="small" icon="el-icon-tickets" :class="{active: isApiListEnable}" @click="apiChange('api')"></el-button>
+        <el-button plain style="width: 44px;height: 32px;padding: 5px 8px;"  :class="{active: isApiListEnable}" @click="apiChange('api')">API</el-button>
       </el-tooltip>
 
       <el-tooltip class="item" effect="dark" content="用例列表" placement="right">
-        <el-button plain class="case-button" size="small" icon="el-icon-paperclip" :class="{active: !isApiListEnable}" @click="caseChange('case')"></el-button>
+        <el-button plain class="case-button" style="width: 44px;height: 32px;padding: 1px;"  :class="{active: !isApiListEnable}" @click="caseChange('case')">CASE</el-button>
       </el-tooltip>
 
     </el-button-group>