Issue #2974066 by leolando.tan, andrewmacpherson: Missing whitespace makes...

Issue #2974066 by leolando.tan, andrewmacpherson: Missing whitespace makes some toolbar dropbuttons sound strange in screen readers

core/modules/toolbar/js/toolbar.menu.es6.js

@@ -187,6 +187,6 @@
    *   A string representing a DOM fragment.
    */
   Drupal.theme.toolbarMenuItemToggle = function (options) {
-    return `<button class="${options.class}"><span class="action">${options.action}</span><span class="label">${options.text}</span></button>`;
+    return `<button class="${options.class}"><span class="action">${options.action}</span> <span class="label">${options.text}</span></button>`;
   };
 }(jQuery, Drupal, drupalSettings));

core/modules/toolbar/js/toolbar.menu.js

@@ -98,6 +98,6 @@
   };
 
   Drupal.theme.toolbarMenuItemToggle = function (options) {
-    return '<button class="' + options.class + '"><span class="action">' + options.action + '</span><span class="label">' + options.text + '</span></button>';
+    return '<button class="' + options.class + '"><span class="action">' + options.action + '</span> <span class="label">' + options.text + '</span></button>';
   };
 })(jQuery, Drupal, drupalSettings);
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