Improvements to Grid seeder support in Athena
This MR extends and refines the work from of !78031 (diffs). It is a cleaned up version (of previous MR), with added some improvements of the existing grid seeder implementation.
This MR extends and refines the work from of !78031 (diffs). It is a cleaned up version (of previous MR), with added some improvements of the existing grid seeder implementation.