[7.x] [App Search] Minor const cleanup (#87885)#87942

Merged

cee-chen merged 1 commit intoelastic:7.xfrom cee-chen:backport/7.x/pr-87885

Jan 12, 2021

+168-76

Commits on Jan 11, 2021

[App Search] Minor const cleanup (elastic#87885 )

Constance
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cee-chen
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