Merge branch 'cngo-default-placeholder-text' into 'master'

Add default for filter bar placeholder text

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/129967



Merged-by: Jacques Erasmus <jerasmus@gitlab.com>
Approved-by: Kos Palchyk <kpalchyk@gitlab.com>
Approved-by: Jacques Erasmus <jerasmus@gitlab.com>
Reviewed-by: Jacques Erasmus <jerasmus@gitlab.com>
Reviewed-by: Coung Ngo <cngo@gitlab.com>
Co-authored-by: Coung Ngo <cngo@gitlab.com>