fix record stream map/filter bug
fix record stream map/filter bug

bhaskarmelkani/jsforce,saleswise/jsforce,saleswise/jsforce,joeferraro/jsforce,nutthawan/jsforce,lkatney/jsforce,saleswise/jsforce,bhaskarmelkani/jsforce,jsforce/jsforce,pcon/jsforce,jdcrensh/jsforce,pcon/jsforce,jdcrensh/jsforce,nutthawan/jsforce,pcon/jsforce,joeferraro/jsforce,lkatney/jsforce,jsforce/jsforce,jsforce/jsforce