Issue #3461408 by lawxen: library file shouln't contain base_path

library_manager.module

@@ -141,7 +141,7 @@ function library_manager_build_libraries() {
             $uploaded_file = File::load($uploaded_file_id);
             if (!empty($uploaded_file)) {
               $uploaded_file_uri = $uploaded_file->getFileUri();
-              $uploaded_file_path = \Drupal::service('file_url_generator')->generateString($uploaded_file_uri);
+              $uploaded_file_path = \Drupal::service('file_url_generator')->generateAbsoluteString($uploaded_file_uri);
               $library_info['js'][$uploaded_file_path] = $options;
             }
           }
@@ -175,7 +175,7 @@ function library_manager_build_libraries() {
             $uploaded_file = File::load($uploaded_file_id);
             if (!empty($uploaded_file)) {
               $uploaded_file_uri = $uploaded_file->getFileUri();
-              $uploaded_file_path = \Drupal::service('file_url_generator')->generateString($uploaded_file_uri);
+              $uploaded_file_path = \Drupal::service('file_url_generator')->generateAbsoluteString($uploaded_file_uri);
               $library_info['css'][$file['group']][$uploaded_file_path] = $options;
             }
           }