Search results returned in wrong encoding

Summary

Steps to reproduce

What is the current bug behavior?

navigate to https://gitlab.instance/search?scope=issues&search=something search results returned in single-byte encoding instead of utf8

meanwhile https://gitlab.instance/grp/prj/-/issues shows same records in the correct encoding

What is the expected correct behavior?

Relevant logs and/or screenshots

gitlab ce 17.9.1 official docker image

Possible fixes