adjust style for .input-group-addon

src/client/styles/agile-admin/inverse/widgets.scss

@@ -1293,11 +1293,12 @@ background:$white;
   box-shadow: none !important;
 }
 }
-
+/*
 .input-group-addon {
 border-radius: $radius;
 border: 1px solid $border;
 }
+*/
 /*
 .input-daterange input:first-child, .input-daterange input:last-child{border-radius:$radius;}
 */