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.