message: Fix requests to the NIH resolver to use new scheme
diff: @@ -82,9 +82,7 @@ void NetworkDatabases::showDialog()
  // services
  m_network->get(QNetworkRequest(
  QUrl("https://cactus.nci.nih.gov/chemical/structure/" + structureName +
  - "/sdf?get3d=true" +
  - "&resolver=name_by_opsin,name_by_cir,name_by_chemspider" +
  - "&requester=Avogadro2")));
  + "/file?format=sdf&get3d=true")));
  m_moleculeName = structureName;
  m_progressDialog->setLabelText(tr("Querying for %1").arg(structureName));
  