FEATURE: allows multiple custom emoji groups (PR #8733)

Screenshot 2020-01-16 at 12 37 48 Screenshot 2020-01-16 at 12 36 33


You’ve signed the CLA, jjaffeux. Thank you! This pull request is ready for review.

This PR is now ready for review @eviltrout @SamSaffron

Few notes about it:

  • it adds multiple tests which were totally missing (registerEmoji and custom emoji

plugin instance)

  • I took this opportunity to rework the customise emoji page:

Screenshot 2020-03-29 at 22 16 19

It will also now give visual feedback that an emoji is getting uploaded: image

You can also now filter by groups: Screenshot 2020-03-29 at 22 22 02