Updating emojione

Generate new category map variable for emojipicker

Run

node --experimental-modules generateEmojiIndex.mjs

Generate new percentage sprite

Clone the repository https://github.com/Ranks/emojione/ and replace the file assets/sprites/emojione.sprites.mustache with the content of emojione.sprites.mustache, then run at emojione folder:

grunt sprite
sass --sourcemap=none assets/sprites/emojione.sprites.scss sprites.css

And replace the file sprites.css at Rocket.Chat's /packages/rocketchat-emoji-emojione/sprites.css.