Overlapping cross icons in dropdown filters

Summary

Two cross icons appear in dropdowns overlapping each other.

Steps to reproduce

  1. Browse to any project
  2. Click the branch dropdown
  3. Type any text

Example Project

Appears anywhere the dropdown_filter is used

What is the current bug behavior?

Two close icons appears, overlapped

What is the expected correct behavior?

There should be only 1

Relevant logs and/or screenshots

Screen_Shot_2019-05-06_at_12.14.28_pm

Possible fixes

Removing this line should fix it: https://gitlab.com/gitlab-org/gitlab-ce/master/b/app/helpers/dropdowns_helper.rb