Add "Significant symptoms reported" to session read page#1392

swebberuk wants to merge 2 commits intoDTOSS-12818-highlight-symptomNHSDigital/dtos-manage-breast-screening:DTOSS-12818-highlight-symptomfrom

DTOSS-12827-significant-symptomsNHSDigital/dtos-manage-breast-screening:DTOSS-12827-significant-symptomsCopy head branch name to clipboard