Idea Summary Remember page and row selected when you back on your page.
Use Case When you edit row for IG in form page. When you back on your page with ig, it will be set ig on the same page and re-select the same row.
Preferred Solution (Optional)
This seems like a specific case of https://apex.oracle.com/ideas/FR-1843 . This is specific to IG whereas 1843 is for any applicable report region. But this one mentions selection state as well as pagination state which also makes sense.
Thanks John.
Remembering the selection also relates to
https://apex.oracle.com/ideas/FR-1921