Port request: Node Access Rebuild Progressive

[danksearle]

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Name of the module, theme, or layout Node Access Rebuild Progressive

Link to the drupal.org module, theme, or layout https://www.drupal.org/project/node_access_rebuild_progressive

(Optional) Link to an issue in the drupal.org queue asking the Drupal community if anyone is working on a Backdrop port of this project https://www.drupal.org/project/node_access_rebuild_progressive/issues/3405432

After migrating our D7 site to Backdrop, it takes 24 hours to run the standard rebuild permissions process, which is a long time to have the site in maintenance mode.