H5：商详优化

htmldev/dashboard/src/views/sell/food/food.vue

@@ -5,7 +5,9 @@
     closeable
     position="bottom"
     round
+    close-on-click-overlay="false"
     @click-close-icon="hide"
+    @click-overlay="hide"
     style="height: 95%;">
     <div
       ref="food"