PR 9117 - Fixes saving nil nested attributes in 3.0.19, 3.1.10, 3.2.11 (see #8832)

Any one have time to look at PR 9117?

https://github.com/rails/rails/pull/9117

Zach

This commit may resolve the issue in another way…

https://github.com/rails/rails/commit/f20b59882675ec2fab28fd92d8ceecedd978bd97

Zacg