Show primary button when all labels are prioritized

app/views/projects/labels/index.html.haml

@@ -5,7 +5,7 @@
 - subscribed = params[:subscribed]
 - labels_or_filters = @labels.exists? || @prioritized_labels.exists? || search.present? || subscribed.present?
 
-- if @labels.present? && can_admin_label
+- if labels_or_filters && can_admin_label
   - content_for(:header_content) do
     .nav-controls
       = link_to _('New label'), new_project_label_path(@project), class: "btn btn-success qa-label-create-new"

changelogs/unreleased/gt-show-primary-button-when-all-labels-are-prioritized.yml

+---
+title: Show primary button when all labels are prioritized
+merge_request: 23648
+author: George Tsiolis
+type: other

spec/features/projects/labels/update_prioritization_spec.rb

@@ -115,6 +115,21 @@ describe 'Prioritize labels' do
       end
     end
 
+    it 'user can see a primary button when there are only prioritized labels', :js do
+      visit project_labels_path(project)
+
+      page.within('.other-labels') do
+        all('.js-toggle-priority').each do |el|
+          el.click
+        end
+        wait_for_requests
+      end
+
+      page.within('.breadcrumbs-container') do
+        expect(page).to have_link('New label')
+      end
+    end
+
     it 'shows a help message about prioritized labels' do
       visit project_labels_path(project)