User role badges for work item notes

...avascripts/work_items/components/notes/work_item_note.vue

...ts/work_items/components/notes/work_item_note_actions.vue

.../work_items/graphql/notes/work_item_note.fragment.graphql

...javascripts/work_items/graphql/work_item.fragment.graphql

.../work_items/graphql/notes/work_item_note.fragment.graphql

...ork_items/components/notes/work_item_note_actions_spec.js

...ontend/work_items/components/notes/work_item_note_spec.js

spec/frontend/work_items/mock_data.js