Merge branch 'tchu-tfix-frozen-array-error-in-search-with-custom-analyzer' into 'master'

Fix frozen array error with custom analyzers

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/183879



Merged-by: Terri Chu <tchu@gitlab.com>
Approved-by: Madelein van Niekerk <mvanniekerk@gitlab.com>
Approved-by: Siddharth Dungarwal <sdungarwal@gitlab.com>