refs #21021 [finc] ignore 773 rows with first indicator equals 1 for HierarchyParentTitle

module/finc/src/finc/RecordDriver/SolrMarcFincTrait.php

@@ -1749,6 +1749,11 @@ trait SolrMarcFincTrait
         } else {
             // build the titles differently if LDR 7 == (a || s)
             foreach ($fields as $field) {
+                if ($field->getIndicator(1) == 1
+                ) {
+                    // #21021 ignore 773 https://www.loc.gov/marc/bibliographic/concise/bd773.html#
+                    continue;
+                }
                 $parentTitle[] =
                     ($field->getSubfield('a') ?        $field->getSubfield('a')->getData() : '') .
                     ($field->getSubfield('t') ? ': ' . $field->getSubfield('t')->getData() : '') .