Bug fixes

Issue #2986123 by kyberman: requirement in info file causing issues
Issue #2991369 by kyberman: Send emails are without \n

Realized that I was not checking for organic group function before using the function.

• Made the ajax enhanced widget Delayable via Drupal.debounce
• Some refactoring
• Cleaned code

Js fixes.

Webform module version at least 8.x-5.0 is required.

Issue #2920855 by kyberman: Allow code element to be nested
Issue #3019623 by kyberman: Any code is accepted