D11 support

[jackrabbithanna]

Overview

Changes to support Drupal 11

Technical Details

Drupal deprecation code analysis provides this output for deprecations needing to be changed in D11

 ------ --------------------------------------------------------- 
  Line   src/WebformCivicrmBase.php                               
 ------ --------------------------------------------------------- 
  825    Call to deprecated function file_icon_class():           
         in drupal:10.3.0 and is removed from drupal:11.0.0. Use  
           \Drupal\file\IconMimeTypes::getIconClass() instead.    
 ------ --------------------------------------------------------- 

Comments

Drupal change record: https://www.drupal.org/node/3411269

To support D9 and D11, we have to check if function exists, and then use full object path.
When D9 support is dropped, should add a "use" statement and remove the conditional

[jackrabbithanna]

I've created this composer template to assist with development: https://github.com/jackrabbithanna/drupal11-civicrm-proto

Uses recently merged D11 support in CiviCRM Core
Retrieves the Webform module with Drupal lenient, and patches it.

[demeritcowboy]

Thanks for the PR. It should get merged once the tests are running. They don't run yet because the parent webform even patched or with "lenient" doesn't install during tests. Something about ckeditor schema.

And looks like the function_exists is needed in 10.2 since the replacement doesn't even exist until 10.3.