Set X-Request-Url header in a tween instead of in a BeforeRender subscriber so limit=all search pages have the header.
Set X-Request-Url header in a tween instead of in a BeforeRender subscriber so limit=all search pages have the header.

ENCODE-DCC/encoded,4dn-dcic/fourfront,ENCODE-DCC/encoded,hms-dbmi/fourfront,4dn-dcic/fourfront,ENCODE-DCC/snovault,hms-dbmi/fourfront,hms-dbmi/fourfront,ENCODE-DCC/snovault,hms-dbmi/fourfront,4dn-dcic/fourfront,ENCODE-DCC/encoded,ENCODE-DCC/snovault,T2DREAM/t2dream-portal,4dn-dcic/fourfront,hms-dbmi/fourfront,ENCODE-DCC/snovault,T2DREAM/t2dream-portal,ENCODE-DCC/encoded,T2DREAM/t2dream-portal,T2DREAM/t2dream-portal,ENCODE-DCC/snovault