It’s not that clunky anymore. You can limit access to the library to pick media from and it’ll give you the full library with this message: Limited Access to Y

It’s not that clunky anymore. You can limit access to the library to pick media from and it’ll give you the full library with this message: Limited Access to Your Library "App" can only access the items that you select. The app can add to your library even if no items are selected.