add historical snapshots date for report metadata overriding
add historical snapshots date for report metadata overriding

lkatney/jsforce,saleswise/jsforce,bhaskarmelkani/jsforce,bhaskarmelkani/jsforce,jesperkristensen/jsforce,jdcrensh/jsforce,joeferraro/jsforce,pcon/jsforce,parthiban019/jsforce,jdcrensh/jsforce,kimchouard/jsforce,rdietrick/jsforce,parthiban019/jsforce,lkatney/jsforce,jsforce/jsforce,pcon/jsforce,nutthawan/jsforce,jesperkristensen/jsforce,nutthawan/jsforce,saleswise/jsforce,jsforce/jsforce,jsforce/jsforce,pcon/jsforce,saleswise/jsforce,joeferraro/jsforce