[7.8] [SIEM][CASE] Fix bug when connector is deleted. (#65876)#66851

Merged

cnasikas merged 1 commit intoelastic:7.8from cnasikas:backport/7.8/pr-65876

May 17, 2020

+136-39

Commits on May 17, 2020

[SIEM][CASE] Fix bug when connector is deleted. (elastic#65876 )
cnasikas
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