Provide option to open the demo page in new tab.

layouts/scripts/dist/index.min.js

@@ -11370,7 +11370,7 @@ function Publish(props = {}) {
 function setupPublish(rootAttributes) {
   // INIT
   const wrapper = document.createElement('div');
-  document.querySelector('.page_toolbar__right').prepend(wrapper);
+  document.querySelector('.page_toolbar__right').append(wrapper);
   const root = createRoot(wrapper);
   const html = /*#__PURE__*/React.createElement(Publish, {
     rootAttributes: rootAttributes

layouts/scripts/dist/toolbar/images/icon-dropdown-arrow.svg

@@ -0,0 +1,7 @@
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px"
+     y="0px"
+     viewBox="0 0 330 330" style="enable-background:new 0 0 330 330;" xml:space="preserve">
+<path id="XMLID_225_" d="M325.607,79.393c-5.857-5.857-15.355-5.858-21.213,0.001l-139.39,139.393L25.607,79.393
+	c-5.857-5.857-15.355-5.858-21.213,0.001c-5.858,5.858-5.858,15.355,0,21.213l150.004,150c2.813,2.813,6.628,4.393,10.606,4.393
+	s7.794-1.581,10.606-4.394l149.996-150C331.465,94.749,331.465,85.251,325.607,79.393z"/>
+</svg>

layouts/scripts/toolbar/images/icon-open-new-tab.svg

@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="48" width="48" fill="#21252d">
+  <path
+    d="M9.5 43.05q-1.85 0-3.2-1.35t-1.35-3.2v-29q0-1.9 1.35-3.25T9.5 4.9h13.35v4.6H9.5v29h29V25.15h4.6V38.5q0 1.85-1.35 3.2t-3.25 1.35ZM20.3 30.9l-3.15-3.2 18.2-18.2h-9.5V4.9H43.1v17.25h-4.6V12.7Z"/>
+</svg>

layouts/scripts/toolbar/publish.jsx

@@ -39,7 +39,7 @@ function Publish(props = {}) {
 export function setupPublish(rootAttributes) {
   // INIT
   const wrapper = document.createElement('div');
-  document.querySelector('.page_toolbar__right').prepend(wrapper)
+  document.querySelector('.page_toolbar__right').append(wrapper)
 
   const root = ReactDOM.createRoot(wrapper);
   const html = (<Publish rootAttributes={rootAttributes}/>);