add modified datetime display to recent history items
add modified datetime display to recent history items

philiptzou/clincoded,ClinGen/clincoded,ClinGen/clincoded,ClinGen/clincoded,philiptzou/clincoded,philiptzou/clincoded,philiptzou/clincoded,ClinGen/clincoded,ClinGen/clincoded,philiptzou/clincoded