feat: 对WIFI配网支持双频WIFI设备指示图判断

pages/pageB/deviceConnect1/deviceConnect1.wxml

@@ -2,7 +2,7 @@
   <nav-bar bind:goBack="_goBack" nav-bgc-class="ex-nav-bgc-class" nav-title-class="ex-nav-title-class" ex-back-pre="ex-back-pre" navbar-data='{{nvabarData}}'></nav-bar>
   <view class="roterps">
     <view class="devicePic">
-      <image mode="widthFix" src="./../../../img/e.png"></image>
+      <image mode="widthFix" src="{{is5gDevice?'./../../../img/e1.png':'./../../../img/e.png'}}"></image>
     </view>
   </view>
   <view class="wifiInfo">