Merge branch 'develop' into 'feat/move-external-source-button-to-extra-buttons'

CHANGELOG.md

src/App.scss

src/components/features_panel/features_panel.js

src/components/features_panel/features_panel.vue

src/components/poll/poll.vue

src/components/react_button/react_button.vue

src/components/settings_modal/tabs/filtering_tab.vue

src/components/settings_modal/tabs/profile_tab.vue

src/i18n/en.json

src/i18n/messages.js

src/i18n/ru.json

src/i18n/uk.json

src/services/chat_service/chat_service.js

src/services/entity_normalizer/entity_normalizer.service.js