We need this in the mobile clients in order to display the tags like "Rocket.Chat Team" which we have on the Open server.

roleTags method for reference:
https://github.com/RocketChat/Rocket.Chat/blob/develop/packages/rocketchat-ui-flextab/client/tabs/userInfo.js