Cherry-pick #20500 to 7.13: [filebeat] clone value when copy fields in processors#26382

Merged

jsoriano merged 1 commit intoelastic:7.13from jsoriano:backport_20500_7.13

Jun 22, 2021

+46-1

Commits on Jun 21, 2021

Clone value when copy fields in processors to avoid crash (elastic#20500 )

ianwoolf
authored and
jsoriano
committed