Microsites Group tests are unhappy about the SDC include in templates/blocks/localgov-blogs-prev-next-block.html.twig

[tonypaulbarker]

From localgovdrupal/localgov_microsites_group#546

The website encountered an unexpected error. Try again later.

Drupal\Core\Render\Component\Exception\InvalidComponentException: [show_title] NULL value found, but a boolean or an object is required. This may be because the property is empty instead of having data present. If possible fix the source data, use the |default() twig filter, or update the schema to allow multiple types. in Drupal\Core\Theme\Component\ComponentValidator->validateProps() (line 206 of core/lib/Drupal/Core/Theme/Component/ComponentValidator.php).
Drupal\Core\Template\ComponentsTwigExtension->doValidateProps(Array, 'localgov_base:prev-next') (Line: 110)
Drupal\Core\Template\ComponentsTwigExtension->validateProps(Array, 'localgov_base:prev-next') (Line: 46)
__TwigTemplate_71fb159083d71043385b0f29bc9d7ed7->doDisplay(Array, Array) (Line: 388)
Twig\Template->yield(Array) (Line: 46)
__TwigTemplate_f8ea8b41049086cbea2151bb604e59e9->doDisplay(Array, Array) (Line: 388)
Twig\Template->yield(Array, Array) (Line: 344)
Twig\Template->display(Array) (Line: 359)
Twig\Template->render(Array) (Line: 51)
Twig\TemplateWrapper->render(Array) (Line: 33)
twig_render_template('themes/contrib/localgov_base/templates/block/localgov-blogs-prev-next-block.html.twig', Array) (Line: 348)