zoekt multi-match count is not correct

Summary

https://gitlab.com/search?search=search_issue_refactor&nav_source=navbar&project_id=278964&group_id=9970&search_code=true&repository_ref=master

the search above when using multi-match show 415 for code results, but the actual number is 4

Steps to reproduce

What is the current bug behavior?

count should match what the frontend shows

What is the expected correct behavior?

count does not match

Relevant logs and/or screenshots

Possible fixes