MC-3473: Create Widget on Frontend and Apply Width

- Fix docblock type to match JQuery collection of elements passed
- Fix logic gate to expect jquery to coerce the type to a number

Author: tjwiebell

app/code/Magento/PageBuilder/view/frontend/web/js/content-type/buttons/appearance/inline/widget.js

@@ -10,7 +10,7 @@ define([
     /**
      * Equalize the width of a list of button-item components
      *
-     * @param {JQuerySerializeArrayElement} buttonList
+     * @param {JQuery} buttonList
      */
     var equalizeButtonWidth = function (buttonList) {
         var buttonMinWidth = 0;
@@ -28,7 +28,7 @@ define([
     return function (config, element) {
         var $element = $(element);
 
-        if ($element.data('sameWidth') === '1') {
+        if ($element.data('sameWidth')) {
             equalizeButtonWidth($element.find('[data-element="link"]'));
         }
     };