Cherry-pick #16441 to 7.x: [Filebeat] Check expand_event_list_from_field before checking content-type#16626

Merged

kaiyan-sheng merged 1 commit intoelastic:7.xfrom kaiyan-sheng:backport_16441_7.x

Feb 26, 2020

+18-12

Commits on Feb 26, 2020

[Filebeat] Check expand_event_list_from_field before checking content-type (#16441 )
kaiyan-sheng
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