refs #18881 [finc] allow empty indicator for Marc table of contents

module/finc/src/finc/RecordDriver/SolrMarc.php

@@ -516,8 +516,8 @@ class SolrMarc extends SolrDefault
                     $tocSubfields[] = $subfield->getData();
                 }
                 $toc[] = implode(' \ ', $tocSubfields);
-            } elseif ($ind2 === '#') {
-                // basic entries
+            } else {
+                // suppose basic entries
                 // sub-entries delimited by " -- "
                 foreach ($subfields as $subfield) {
                     // Break the string into appropriate chunks, filtering empty strings,