Issue #3251961 by gaurav.kapoor: Port to CKEditor 5

!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.CKEditor5=t():(e.CKEditor5=e.CKEditor5||{},e.CKEditor5.tweetext=t())}(self,(function(){return(()=>{var e={"ckeditor5/src/core.js":(e,t,r)=>{e.exports=r("dll-reference CKEditor5.dll")("./src/core.js")},"dll-reference CKEditor5.dll":e=>{"use strict";e.exports=CKEditor5.dll}},t={};function r(o){var s=t[o];if(void 0!==s)return s.exports;var d=t[o]={exports:{}};return e[o](d,d.exports,r),d.exports}r.d=(e,t)=>{for(var o in t)r.o(t,o)&&!r.o(e,o)&&Object.defineProperty(e,o,{enumerable:!0,get:t[o]})},r.o=(e,t)=>Object.prototype.hasOwnProperty.call(e,t);var o={};return(()=>{"use strict";r.d(o,{default:()=>s});var e=r("ckeditor5/src/core.js");class t extends e.Plugin{static get requires(){return[]}}const s={TweetableText:t}})(),o=o.default})()}));

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