* Fixed emoji detection problem to append border

* Add tests

* Add missing semicolon

* Fixed wrong result when includes different variation selector

* Add missing semicolon

* Remove grapheme-splitter and Change emoji list to array from string

* Update comment

* Remove spaces

Co-authored-by: ThibG <thib@sitedethib.com>

* Refactor list of emoji requiring added outlines so that it can be theme-specific

* Split inaccessible emoji to emoji requiring an outline and ones that can be inverted

* Drop the “silouhettes” from black emoji as they seem to have changed color

* Add inaccessible emojis list for the light theme

* Use bordered emoji variant instead of unreliable CSS

Mastodon converts all Emoji to images, whether they have a VS15 after
them or not, but leaves the VS15 in the string, which is displayed as
a black box in Safari.

* Update to emojimart 2.6.1
WIP using local updated version. Sheet comes from emoji-data@4.0.4,
file sheet_twitter_32_indexed_256.png.

* Update to 2.6.1 and uncompress data if needed

* Remove changes that were not needed

* Fix yarn lock file

* Match emojiToShowFilter behavior to new version of emoji-mart

* Fix codeclimate issue

* Match custom emoji behavior to new version of emoji-mart

* Replace emoji without shortcode in tests

* Fix code climate issues