fix issue with paginable guidance_controller throwing error when sort selected
fix issue with paginable guidance_controller throwing error when sort selected

DigitalCurationCentre/roadmap,CDLUC3/dmptool,CDLUC3/roadmap,DigitalCurationCentre/roadmap,CDLUC3/roadmap,DMPRoadmap/roadmap,DMPRoadmap/roadmap,CDLUC3/dmptool,DigitalCurationCentre/roadmap,CDLUC3/dmptool,CDLUC3/roadmap,CDLUC3/dmptool,DMPRoadmap/roadmap,CDLUC3/roadmap