Scaffolded issue drawer to boards

app/assets/javascripts/boards/components/board_content.vue

...ts/javascripts/boards/components/board_drawer_wrapper.vue

app/assets/javascripts/boards/index.js

...ts/javascripts/issues/list/components/issues_list_app.vue

app/assets/javascripts/issues/list/utils.js

...s/javascripts/work_items/components/work_item_actions.vue

...javascripts/work_items/components/work_item_assignees.vue

...ts/work_items/components/work_item_attributes_wrapper.vue

...ts/javascripts/work_items/components/work_item_detail.vue

...ts/javascripts/work_items/components/work_item_drawer.vue

...ts/javascripts/work_items/components/work_item_labels.vue

...javascripts/work_items/components/work_item_milestone.vue

...ascripts/work_items/components/work_item_state_toggle.vue

...scripts/work_items/components/work_item_sticky_header.vue

...scripts/work_items/components/work_item_time_tracking.vue

app/assets/javascripts/work_items/constants.js

app/controllers/projects/boards_controller.rb

app/helpers/boards_helper.rb

...javascripts/work_items/components/work_item_iteration.vue

...ts/javascripts/work_items/components/work_item_weight.vue