PHP 8.2 Deprecated function: Creation of dynamic property Drupal\multiple_registration\Plugin\Derivative\MultipleRegistrationLocalTasks::$base_plugin_id is deprecated

i have fixed this issue PHP 8.2 Deprecated function: Creation of dynamic property Drupal\multiple_registration\Plugin\Derivative\MultipleRegistrationLocalTasks::$base_plugin_id is deprecated

As a part of Merge request !14 fixed deprecation issues:

vendor/bin/drupal-check -d modules/contrib/multiple_registration/
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 ------ -------------------------------------------------- 
  Line   multiple_registration.module                      
 ------ -------------------------------------------------- 
  87     Call to an undefined method                       
         Drupal\Core\Form\FormInterface::getEntity().      
  176    Call to an undefined method                       
         Drupal\Core\Form\FormInterface::getEntity().      
  395    Variable $custom_form_mode might not be defined.  
 ------ -------------------------------------------------- 

 ------ ------------------------------------------------- 
  Line   src/AvailableUserRolesService.php                
 ------ ------------------------------------------------- 
  54     Call to an undefined method                      
         Drupal\user\RoleStorageInterface::getStorage().  
 ------ ------------------------------------------------- 

 ------ --------------------------------------------------- 
  Line   src/Controller/MultipleRegistrationController.php  
 ------ --------------------------------------------------- 
  248    Variable $rows might not be defined.               
 ------ --------------------------------------------------- 

 ------ ----------------------------------------------------------------------- 
  Line   src/Plugin/Derivative/MultipleRegistrationLocalTasks.php               
 ------ ----------------------------------------------------------------------- 
  42     Access to an undefined property                                        
         Drupal\multiple_registration\Plugin\Derivative\MultipleRegistrationLo  
         calTasks::$base_plugin_id.                                             
 ------ ----------------------------------------------------------------------- 

 [ERROR] Found 6 errors

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[OK] No errors                                                                 

@gun2dru Thank you for your MR and for fixing the deprecation issues. The changes will be merged soon.

The changes were applied to the latest module dev version. Thanks for your contribution.

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