No longer filter DNSSEC metadata when DNSSEC is enabled in gsql

As noted in #7705, gsql getAllDomainMetadata() did not return all domain
metadata.  This function would always filter DNSSEC related metadata, even
if a backend was configured to support DNSSEC.

pdns/backends/gsql/gsqlbackend.cc

@@ -930,7 +930,7 @@ bool GSQLBackend::getAllDomainMetadata(const DNSName& name, std::map<std::string
       d_GetAllDomainMetadataQuery_stmt->nextRow(row);
       ASSERT_ROW_COLUMNS("get-all-domain-metadata-query", row, 2);
 
-      if (!isDnssecDomainMetadata(row[0]))
+      if (d_dnssecQueries || !isDnssecDomainMetadata(row[0]))
         meta[row[0]].push_back(row[1]);
     }