Fix flaky test reate_visual_review_service_spec.rb:16

What does this MR do and why?

!110687 (diffs) has flaky tests.

Was reported by Gitlab Release Tools bot: https://gitlab.com/gitlab-org/release/tasks/-/issues/5003

The project model was defined as unchanged by let_it_be and later added a last test which changes the project

As such it creates a flaky test flow.

Screenshots or screen recordings

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How to set up and validate locally

Could be reproduced with seed 20774:

rspec ./ee/spec/services/notes/create_visual_review_service_spec.rb --seed 20774

MR acceptance checklist

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