merge conflict, use v-slot:trigger, fix popover svg dimensions bug

CHANGELOG.md

package.json

src/components/chat_panel/chat_panel.js

src/components/chat_panel/chat_panel.vue

src/components/nav_panel/nav_panel.js

src/components/nav_panel/nav_panel.vue

src/components/notifications/notification_filters.vue

src/components/popover/popover.js

src/components/timeline_menu/timeline_menu.js

src/components/timeline_menu/timeline_menu.vue

src/components/timeline_menu/timeline_menu_content.js

src/components/timeline_menu/timeline_menu_content.vue

src/components/user_card/user_card.vue

src/i18n/en.json

src/main.js

src/modules/chat.js

yarn.lock