Migrate "app/assets/javascripts/alerts_settings/components/alert_mapping_builder.vue" to GlDisclosureDropdown or GlCollapsibleListbox
app/assets/javascripts/alerts_settings/components/alert_mapping_builder.vue
One or more dropdowns in app/assets/javascripts/alerts_settings/components/alert_mapping_builder.vue
should be migrated to one of the new dropdown components. See the parent epic for guidance on migration strategies.