refactor instances of CJS module.exports to ES module syntax

...ets/javascripts/cycle_analytics/cycle_analytics_bundle.js

...sets/javascripts/cycle_analytics/default_event_objects.js

app/assets/javascripts/lib/utils/http_status.js

app/assets/javascripts/shortcuts_blob.js

app/assets/javascripts/version_check_image.js

spec/javascripts/helpers/class_spec_helper.js

spec/javascripts/helpers/filtered_search_spec_helper.js