[7.10] [Security Solutions][Detection Engine] Fixes pre-packaged rules which contain exception lists to not overwrite user defined lists (#80592)#80734

Merged

FrankHassanabad merged 1 commit intoelastic:7.10from FrankHassanabad:backport/7.10/pr-80592

Oct 15, 2020

+1,377-216

Commits on Oct 15, 2020

[Security Solutions][Detection Engine] Fixes pre-packaged rules which contain exception lists to not overwrite user defined lists (elastic#80592 )
FrankHassanabad
committed