In issues/boards searchbar clicking on dropdown-item reloads page without search criteria

Summary

When using the search bar in the issue/boards page, clicking on the "Press enter or click to search" item will reload the page without the newly added parameters from the query-input.

Steps to reproduce

1 - Type something in "search or filter results" bar
2 - Instead of hitting enter click the dropdown link "Press enter or click to search"

Example Project

https://gitlab.com/gitlab-org/gitlab-ce/boards

What is the current bug behavior?

The page reloads wiping out the search criteria.

What is the expected correct behavior?

Behaviour similar to the issue0list is expected, similar to the behaviour of hitting enter: refreshing the page keeping the newly entered search criteria.

Relevant logs and/or screenshots

none

Output of checks

This bug happens on GitLab.com