NCMP : forward bulk response messages to client topic

# Fixing the NullPointer Exception if the 'eventType' header not availabe.
# eventType header is a mandatory header but still we are doing null check for supporting old events (AsyncResponseEvent is not moved to separate kafka headers)

Issue-ID: CPS-1557
Signed-off-by: raviteja.karumuri <raviteja.karumuri@est.tech>
Change-Id: Ie7923d0e2674402fa36cb28cde966575b899cedb
1 file changed