Switch from EmojiOne to Twemoji, different emoji picker (#5046)

* Switch from EmojiOne to Twemoji, different emoji picker

* Make emoji-mart use a local spritesheet

* Fix emojify test

* yarn manage:translations

public/emoji/1f6a9.svg

@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64" enable-background="new 0 0 64 64"><path d="m26.2 61.5c0 1.4-4.3 2.5-9.7 2.5-5.4 0-9.7-1.1-9.7-2.5 0-1.4 4.3-2.5 9.7-2.5 5.3 0 9.7 1.2 9.7 2.5" fill="#ccc"/><path d="m56.1 17.7c-1.9-.9-33.1-15.6-37.7-17.7v39.5c4.5-2.1 35.7-16.8 37.6-17.7 1.6-.7 1.6-3.4.1-4.1" fill="#ed4c5c"/><path fill="#d3976e" d="m14.5 0h3.9v61.5h-3.9z"/></svg>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?><svg xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cc="http://creativecommons.org/ns#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 45 45" style="enable-background:new 0 0 45 45;" xml:space="preserve" version="1.1" id="svg2"><metadata id="metadata8"><rdf:RDF><cc:Work rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/></cc:Work></rdf:RDF></metadata><defs id="defs6"><clipPath id="clipPath16" clipPathUnits="userSpaceOnUse"><path id="path18" d="M 0,36 36,36 36,0 0,0 0,36 Z"/></clipPath></defs><g transform="matrix(1.25,0,0,-1.25,0,45)" id="g10"><g id="g12"><g clip-path="url(#clipPath16)" id="g14"><g transform="translate(13,2)" id="g20"><path id="path22" style="fill:#66757f;fill-opacity:1;fill-rule:nonzero;stroke:none" d="m 0,0 c 0,0 0,-2 -2,-2 -2,0 -2,2 -2,2 l 0,32 c 0,0 0,2 2,2 2,0 2,-2 2,-2 L 0,0 Z"/></g><g transform="translate(11,32)" id="g24"><path id="path26" style="fill:#dd2e44;fill-opacity:1;fill-rule:nonzero;stroke:none" d="m 0,0 c 0,2.2 1.636,3.25 3.636,2.333 l 16.727,-7.666 c 2,-0.917 2,-2.417 0,-3.334 L 3.636,-16.333 C 1.636,-17.25 0,-16.2 0,-14 L 0,0 Z"/></g></g></g></g></svg>