[7.x] Fixed console error, which appears when saving changes in Edit Alert flyout (#83610)#83725

Merged

YulNaumenko merged 1 commit intoelastic:7.xfrom YulNaumenko:backport/7.x/pr-83610

Nov 19, 2020

Commits on Nov 18, 2020

Fixed console error, which appears when saving changes in Edit Alert flyout (elastic#83610 )
YulNaumenko
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