Resolve "Track export issues CSV usage on GitLab.com with Snowplow"

ee/app/assets/javascripts/pages/projects/issues/index/export_csv_modal.js

 import $ from 'jquery';
+import Stats from 'ee/stats';
 
 export default function initExportCSVModal() {
   const $modal = $('.issues-export-modal');
   const $downloadBtn = $('.csv_download_link');
   const $closeBtn = $('.modal-header .close');
 
+  Stats.bindTrackableContainer('.issues-export-modal');
+
   $modal.modal({ show: false });
   $downloadBtn.on('click', () => $modal.modal('show'));
   $closeBtn.on('click', () => $modal.modal('hide'));

ee/app/views/projects/issues/export_issues/_csv_download.html.haml

@@ -18,6 +18,6 @@
             %strong= @current_user.notification_email
             in an attachment.
         .modal-footer
-          = link_to 'Export issues', export_csv_project_issues_path(@project, request.query_parameters), method: :post, class: 'btn btn-success float-left', title: 'Export issues'
+          = link_to 'Export issues', export_csv_project_issues_path(@project, request.query_parameters), method: :post, class: 'btn btn-success float-left', title: 'Export issues', data: { track_label: "export_issues_csv", track_event: "click_button"}
 - elsif show_promotions?
   = render 'shared/promotions/promote_csv_export'

ee/changelogs/unreleased/8774-track-export-issues-csv-usage-on-gitlab-com-with-snowplow.yml

+---
+title: Added Snowplow tracking to issues export
+merge_request: 9045
+author:
+type: added