Issue #3014353: Migrate Tools Rollback, use batch process if possible

src/Form/MigrationExecuteForm.php

@@ -193,13 +193,7 @@ class MigrationExecuteForm extends FormBase {
 
         case 'rollback':
           $executable = new MigrateBatchExecutable($migration_plugin, $migrateMessage, $this->buildOptions($form_state));
-          $status = $executable->rollback();
-          if ($status === MigrationInterface::RESULT_COMPLETED) {
-            $this->messenger()->addStatus($this->t('Rollback completed', ['@id' => $migration_id]));
-          }
-          else {
-            $this->messenger()->addError($this->t('Rollback of !name migration failed.', ['!name' => $migration_id]));
-          }
+          $executable->batchRollback();
           break;
 
         case 'stop':