New layout for editors

...javascripts/batch_comments/components/submit_dropdown.vue

app/assets/javascripts/behaviors/preview_markdown.js

app/assets/javascripts/behaviors/shortcuts/shortcuts.js

.../javascripts/content_editor/components/content_editor.vue

...ascripts/content_editor/components/formatting_toolbar.vue

...s/content_editor/components/toolbar_attachment_button.vue

.../javascripts/content_editor/components/toolbar_button.vue

app/assets/javascripts/deprecated_notes.js

...ets/javascripts/notes/components/comment_field_layout.vue

...pts/notes/components/discussion_notes_replies_wrapper.vue

...sets/javascripts/notes/components/noteable_discussion.vue

...shared/components/markdown/comment_templates_dropdown.vue

.../vue_shared/components/markdown/drawio_toolbar_button.vue

...s/vue_shared/components/markdown/editor_mode_dropdown.vue

...s/vue_shared/components/markdown/editor_mode_switcher.vue

...sets/javascripts/vue_shared/components/markdown/field.vue

...ets/javascripts/vue_shared/components/markdown/header.vue

...ts/javascripts/vue_shared/components/markdown/toolbar.vue

...scripts/vue_shared/components/markdown/toolbar_button.vue

...cripts/work_items/components/notes/work_item_add_note.vue