update input transition

src/components/HeaderSearch/index.less

@@ -1,7 +1,7 @@
 @import "~antd/lib/style/themes/default.less";
 
 .input {
-  transition: all .3s;
+  transition: width .3s, margin-left .3s;
   width: 0;
   background: transparent;
   border-radius: 0;