Author: Ryan Wyllie
MDL-46779 editor: fix case of emoji picker lang string
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ef2afe4c3d1afd1bddcc059639875b3ee2b5a37a
http://github.com/moodle/moodle/commit/ef2afe4c3d1afd1bddcc059639875b3ee2b5a37a
+ 3.8 en [pluginname,atto_emojipicker]