[7.9] [Security Solution][Exceptions] Prevents value list entries from co-existing with non value list entries (#72995)#73217

Merged

spong merged 1 commit intoelastic:7.9from spong:backport/7.9/pr-72995

Jul 25, 2020

+113-38

Commits on Jul 24, 2020

[Security Solution][Exceptions] Prevents value list entries from co-existing with non value list entries (elastic#72995 )
spong
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