Merge branch 'develop' into stats-additions

...cketchat-lib/server/functions/addUserToDefaultChannels.js

packages/rocketchat-reactions/client/init.js

packages/rocketchat-reactions/client/methods/setReaction.js

tests/chimp-config.js

tests/end-to-end/ui/04-main-elements-render.js

tests/end-to-end/ui/05-channel-creation.js

tests/end-to-end/ui/06-messaging.js

tests/end-to-end/ui/07-emoji.js

tests/end-to-end/ui/10-user-preferences.js

tests/end-to-end/ui/11-admin.js

tests/end-to-end/ui/12-settings.js

tests/end-to-end/ui/13-permissions.js