[Reporting/Discover/Search Sessions] Only use relative time filter wh…

…en generating share data (#112588) (#112736)

* only use relative time filter when generating share data

* Added comment on absolute time filter.

Co-authored-by: Tim Sullivan <tsullivan@users.noreply.github.com>

* improve discover search session relative time range test

* update discover tests and types for passing in data plugin to getSharingData function

* updated reporting to pass in data plugin to getSharingData, also updates jest tests

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>
Co-authored-by: Tim Sullivan <tsullivan@users.noreply.github.com>
Co-authored-by: Anton Dosov <anton.dosov@elastic.co>

Co-authored-by: Jean-Louis Leysens <jloleysens@gmail.com>
Co-authored-by: Tim Sullivan <tsullivan@users.noreply.github.com>
Co-authored-by: Anton Dosov <anton.dosov@elastic.co>