Add fallback tag relation lookup for organization listing

src/EventListener/OrganizationListingTemplateDataListener.php

@@ -239,6 +239,14 @@ class OrganizationListingTemplateDataListener
             [ParameterType::STRING, ParameterType::STRING, ArrayParameterType::INTEGER],
         )->fetchAllAssociative();
 
+        if ([] === $rows) {
+            $rows = $this->connection->executeQuery(
+                'SELECT r.pid AS organization_id, r.tag_id, t.tag AS label FROM tl_tags_rel r INNER JOIN tl_tags t ON t.id = r.tag_id WHERE r.ptable = ? AND r.pid IN (?) ORDER BY r.pid ASC, r.tag_id ASC',
+                ['tl_organization', $organizationIds],
+                [ParameterType::STRING, ArrayParameterType::INTEGER],
+            )->fetchAllAssociative();
+        }
+
         $map = [];
         $seen = [];