Make Mollie Webform compatible with Drupal 10

I integrated the Webform Mollie module with Webform 6 in D10 and it still needed a couple of small changes to work but otherwise worked great.

A couple of Code style fixes snuck in while making changes, didn't bother to remove them. Als added a line to the README for the Mollie payment status field since that caught me out when adding it

As Mollie for Drupal 3.0 will also contain architectural changes we have decided to make 2.2 Drupal 10 compatible first.

ricovandevin → closed merge request !12

This fix is included in Mollie for Drupal 2.2.0. Users who already upgraded to version 3.x-dev for Drupal 10 compatibility are urged to downgrade to 2.2.0 at least until an alpha or beta version of version 3.0.0 is released. All currently published changes in 3.x-dev are included in 2.2.0 too.

Automatically closed - issue fixed for 2 weeks with no activity.