fix(Rate): 修复星星图片尺寸过小时错位的问题

close #1165

Author: juzi214032

src/rate/index.less

@@ -12,9 +12,10 @@
 .icon-checked {
     position: absolute;
     overflow: hidden;
+    display: flex;
 }
 
 .image-item {
     width: 80rpx;
     height: 80rpx;
-}
+}