Add sort_by_date_modified parameter to all search endpoints#728

Srijatalamarla wants to merge 2 commits intoaiondemand:developaiondemand/AIOD-rest-api:developfrom

Srijatalamarla:feat/search-sort-by-dateSrijatalamarla/AIOD-rest-api:feat/search-sort-by-dateCopy head branch name to clipboard