Allow users to specify a label for each level of depth and optionally show the full hierarchy of terms in HTML links

1. +++ b/src/Plugin/WebformElement/ShsTermSelect.php
   @@ -20,6 +21,64 @@ use Drupal\webform\Plugin\WebformElement\WebformTermSelect;
   +            '#markup' => sprintf('%s: ', $element['#depth_labels'][$delta]) ?? '',
   

   Embarrassingly, I hadn't even seen this operator used before.
   One quick google later...
   In the essence of PHP compatibility and given that we only have 2 options should we just use a ternary instead?

   Also would this not produce a notice if there were less labels than hierarchy configured?

2. +++ b/src/Plugin/WebformElement/ShsTermSelect.php
   @@ -80,8 +140,69 @@ class ShsTermSelect extends WebformTermSelect {
   +      '#title' => t('Depths Labels'),
   

   Nit: Depth labels

@acbramley was right + there was an issue with the ajax form which I've addressed already.

Thanks