unconditionally set is_fresh_instance on query result

Summary: This doesn't affect anything but is nice to make clear.

Test Plan: No effect on code.

Reviewers: wez

Reviewed By: wez

Differential Revision: https://phabricator.fb.com/D916374

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extra : rebase_source : eee39c83d6de0143036560e847f7bc45c9687dd2
extra : amend_source : 7c41fcd1fc0e5b8a7edc9a9a1078859d9257a836