MC-30586: TinyMCE4: some HTML code breaks the editor

- avoided multiple returns

Author: Oleksandr Dubovyk

lib/web/mage/adminhtml/wysiwyg/tiny_mce/plugins/magentowidget/editor_plugin.js

@@ -168,21 +168,21 @@ define([
                     /(<span class="[^"]*magento-widget[^"]*"[^>]*>)?<img([^>]+id="[^>]+)>(([^>]*)<\/span>)?/i,
                     function (match) {
                         var attributes = wysiwyg.parseAttributesString(match[2]),
-                            widgetCode;
+                            widgetCode,
+                            result = match[0];
 
                         if (attributes.id) {
                             try {
                                 widgetCode = Base64.idDecode(attributes.id);
+                                if (widgetCode && widgetCode.indexOf('{{widget') !== -1) {
+                                    result = widgetCode;
+                                }
                             } catch (e) {
                                 // Ignore and continue.
                             }
-
-                            if (widgetCode && widgetCode.indexOf('{{widget') !== -1) {
-                                return widgetCode;
-                            }
                         }
 
-                        return match[0];
+                        return result;
                     }
                 );
             },