fix: orthanc datasource dev (#4663)

platform/app/.recipes/Nginx-Orthanc/config/nginx.conf

@@ -57,6 +57,7 @@ http {
       # By default, this endpoint is protected by CORS (cross-origin-resource-sharing)
       # You can add headers to allow other domains to request this resource.
       # See the "Updating CORS Settings" example below
+      add_header 'Access-Control-Allow-Origin' '*' always;
     }