refactor(Input): 修改 bind:tap 为 mut-bind:tap

Author: juzi214032

src/input/index.wxml

@@ -28,7 +28,7 @@
     bindblur="handleInputBlur"
     bindconfirm="handleInputConfirm" />
   <l-icon wx:if="{{showEye&&value}}" name="eye" catch:tap="onTapEyeIcon" size="40" l-class="l-eye l-eye-{{type}}"/>
-  <view class="close" wx:if="{{clear&&value}}" bindtap="onClearTap">
+  <view class="close" wx:if="{{clear&&value}}" mut-bind:tap="onClearTap">
     <view  class="close-icon">
       <l-icon  name="close" color="#fff" size="16" />
     </view>