Replaced usage of SafeMarkup::format with Html::escape
requested to merge issue/drupalmoduleupgrader-3211835:3211835-error-class-drupalcomponentutilitysafemarkup into 8.x-1.x
Closes #3211835
Replaced usage of Drupal\Component\Utility\SafeMarkup::format with Drupal\Component\Utility\Html::escape