Decrease minimal select2 width

jet/static/jet/css/select2/_layout.scss

@@ -5,11 +5,7 @@ $input-height: 32px;
 .select2-container--jet {
   @import "single";
   @import "multiple";
-  min-width: 240px;
-
-  @include for-phone {
-    min-width: 160px;
-  }
+  min-width: 160px;
 
   .select2-selection {
     background-color: $input-background-color;