Fix move issue dropdown

app/views/shared/issuable/_sidebar.html.haml

@@ -147,7 +147,7 @@
             = custom_icon('icon_arrow_right')
           .dropdown.sidebar-move-issue-dropdown.hide-collapsed
             %button.btn.btn-secondary.btn-block.js-sidebar-dropdown-toggle.js-move-issue{ type: 'button',
-              data: { toggle: 'dropdown' } }
+              data: { toggle: 'dropdown', display: 'static' } }
               = _('Move issue')
             .dropdown-menu.dropdown-menu-selectable
               = dropdown_title(_('Move issue'))