Bug fixes

Revert #3083980: Push notifications provider

This should not have been committed until Open Social 7.2 was released.

- fixed a bug in landscape zooms
- better check of the url of the server Ephoto Dam
- fixed bug in caption tag management

• #13: Load the webform component edit form only once per AJAX request. (performance)
• #14: Allow setting a property’s weight in the form builder map.

Clone menu link items along with menu.

Install with Composer: $ composer require drupal/menu_link_clone