!676 优化选择图标组件

Merge pull request !676 from 也曾为你像超人/master

 <!-- @author zhengjie -->
 <template>
   <div class="icon-body">
-    <el-input v-model="name" style="position: relative;" clearable placeholder="请输入图标名称" @clear="filterIcons" @input.native="filterIcons">
+    <el-input v-model="name" style="position: relative;" clearable placeholder="请输入图标名称" @clear="filterIcons" @input="filterIcons">
       <i slot="suffix" class="el-icon-search el-input__icon" />
     </el-input>
     <div class="icon-list">

@@ -140,8 +140,7 @@
                     v-if="form.icon"
                     slot="prefix"
                     :icon-class="form.icon"
-                    class="el-input__icon"
-                    style="height: 32px;width: 16px;"
+                    style="width: 25px;"
                   />
                   <i v-else slot="prefix" class="el-icon-search el-input__icon" />
                 </el-input>