[Perf_Bar] Create new Info button that show data in a modal

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/159152



Merged-by: Artur Fedorov <afedorov@gitlab.com>
Approved-by: Sunjung Park <spark@gitlab.com>
Approved-by: Thomas Hutterer <thutterer@gitlab.com>
Approved-by: Artur Fedorov <afedorov@gitlab.com>
Reviewed-by: Frédéric Caplette <fcaplette@gitlab.com>
Reviewed-by: Artur Fedorov <afedorov@gitlab.com>
Reviewed-by: Thomas Hutterer <thutterer@gitlab.com>
Co-authored-by: Frédéric Caplette <fcaplette@gitlab.com>