Merge branch 'feature/ISTWCMS-4534-ebremner-patch-gesso' into '1.0.x'

ISTWCMS-4534: fixing undefined index error

See merge request !195

uw_cfg_common.module

@@ -770,6 +770,7 @@ function uw_cfg_common_preprocess_responsive_image(&$variables) {
     // If we are on a contact image, remove all styles
     // but those for portraits.
     if (
+      isset($media_lib_parameters['bundle']) &&
       $media_lib_parameters['bundle'] == 'uw_ct_contact' ||
       end($current_path_parts) == 'uw_ct_contact'
     ) {