Include select2.full.min.js file

Re-roll for 1.14

Issues and patches need to target dev.

+++ b/tests/modules/select2_form_test/src/Form/Select2SettingsForm.php
@@ -0,0 +1,175 @@
+    if (\Drupal::hasService('library.libraries_directory_file_finder')) {
+      $path = \Drupal::service('library.libraries_directory_file_finder')->find('select2');
+    }
+    elseif (function_exists('libraries_get_path')) {
+      $path = libraries_get_path('select2');
+    }

No need for this. library.libraries_directory_file_finder is there since D8.9

Also getting back the configure link would be nice.

Add support for D11 by ensuring the correct number of arguments is passed for the parent ConfigFormBase class.

I have reuploaded the patch from #12 with the changes that are not related to the logic removed.