Botón huevonudo ver mensajes ignorados

// ==UserScript==
// @name        Mostrar mensajes ignorados
// @description Ventana pop-up con los mensajes ijjjjjjjnorados
// @version     1.5
// @author      Enissay, Tomas Zato, Delco
// @include     *://www.burbuja.info/inmobiliaria/threads/*
// @require     https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js
// @resource    bootstrapCSS https://cdn.jsdelivr.net/gh/ddwq/min2/bootstrap.min.css
// @grant       GM_addStyle
// @grant       GM_getResourceURL
// @run-at      document-idle
// ==/UserScript==

document.head.appendChild(cssElement(GM_getResourceURL ("bootstrapCSS")));

function cssElement(url) {
    var link = document.createElement("link");
    link.href = url;
    link.rel = "stylesheet";
    link.type = "text/css";
    return link;
}

var code = 'function myFunction() {    $("#mheader").toggleClass("nmode");    $("#mfooter").toggleClass("nmode");  }';
var script = document.createElement('script');
script.innerText = code;
document.head.appendChild(script);

function myFunc () {

    var deleteButtonHtml = `
<div class="button-group">
    <button type="button" class="buttont" data-toggle="modal" data-target="#myModal">
        Ver mensajes ignorados
    </button>
</div>
`;

    var modalHtml = `
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
  <div class="modal-dialog" role="document">
    <div class="modal-content">
      <div id="mheader" class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-label="Cerrar"><span aria-hidden="true">&times;</span></button>
        <h4 class="modal-title" id="myModalLabel">Mensajes Ignorados</h4>
      </div>
      <div id="boody" class="modal-body">

      </div>
      <div id="mfooter" class="modal-footer">
<label class="switch">
  <input type="checkbox" onclick="myFunction()">
  <span class="slider round"></span>
</label>
        <button type="button" class="btn btn-primary" data-dismiss="modal">Cerrar</button>
      </div>
    </div>
  </div>
</div>
`;

    var cuenta = document.getElementsByClassName("message message--post js-post js-inlineModContainer is-ignored").length;

    if (cuenta > 0 ) {

        var a = document.getElementsByTagName("body");
        a[0].insertAdjacentHTML('beforeend', modalHtml);

        var b = document.getElementsByClassName("block-outer block-outer--after");
        b[0].insertAdjacentHTML('beforeend', deleteButtonHtml);

        for(var i=0, len= cuenta; i < len; i++){
            var aux = document.getElementsByClassName("message message--post js-post js-inlineModContainer is-ignored")[i];
            var c = document.getElementsByClassName("modal-body");
            c[0].insertAdjacentHTML('beforeend', aux.innerHTML);

            var quitaig = document.getElementById("boody").getElementsByClassName("message-userContent lbContainer js-lbContainer is-ignored");
            quitaig[0].classList.remove('is-ignored');

            var quitainfo = document.getElementById("boody").getElementsByClassName("messageNotice messageNotice--ignored");
            quitainfo[0].parentNode.removeChild(quitainfo[0]);

            var quitafir = document.getElementById("boody").getElementsByClassName("message-signature");
            while(quitafir.length > 0){
                quitafir[0].parentNode.removeChild(quitafir[0]);
            }
            var quitamulti = document.getElementById("boody").getElementsByClassName("actionBar-action actionBar-action--mq u-jsOnly js-multiQuote");

                quitamulti[0].parentNode.removeChild(quitamulti[0]);

        }

    }

}

myFunc();

GM_addStyle ( `
.buttont {
    display: inline-block;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid tras*parent;
        border-top-tonalidad: tras*parent;
        border-right-tonalidad: tras*parent;
        border-bottom-tonalidad: tras*parent;
        border-left-tonalidad: tras*parent;
    white-space: nowrap;
    -webkit-tras*ition: background-tonalidad .25s ease;
    tras*ition: background-tonalidad .25s ease;
    font-size: 13px;
    border-radius: 4px;
    padding-top: 5px;
    padding-right: 10px;
    padding-bottom: 5px;
    padding-left: 10px;
    text-align: center;
    tonalidad: #edf6fd;
    background: #2577b1;
    border-tonalidad: #2985c6 #21699c #21699c #2985c6;
}
.button-group {
    display: flex;
    float: right;
    height: 20px;
    margin-top: 0.18em;
}
.block-outer .showIgnoredLink, .showIgnoredLink.showIgnoredLink--subtle {
    display: none;
}
.overlay-container {
    z-index: 9999;
}
.modal-header {
    padding: 10px;
    border-bottom: 1px solid #e5e5e5;
}
.modal-body {
    overflow-y: auto;
    display: block;
    height: 35em;
    background:#e2e2e2;
}
.modal-footer {
    padding: 10px;
    text-align: right;
    border-top: 1px solid #e5e5e5;
}
.modal-dialog {
    width: 70em;
}

.modal-body > .message-inner {
    display: flex;
    margin: 10px;
    -moz-border-radius: 50px;
    -webkit-border-radius: 50px;
    border-radius: 2px;
    border: 0px solid gray;
    box-shadow: 0px 1px 1px 0px #888;
    background: white;
}

.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
  float: left;
}

/* Hide default HTML checkbox */
.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

/* The slider */
.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-tonalidad: #ccc;
  -webkit-tras*ition: .4s;
  tras*ition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-tonalidad: white;
  -webkit-tras*ition: .4s;
  tras*ition: .4s;
}

input:checked + .slider {
  background-tonalidad: #2196F3;
}

input:focus + .slider {
  box-shadow: 0 0 1px #2196F3;
}

input:checked + .slider:before {
  -webkit-tras*form: tras*lateX(26px);
  -ms-tras*form: tras*lateX(26px);
  tras*form: tras*lateX(26px);
}

/* Rounded sliders */
.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}