Fix autosave for accepts_nested_attributes_for #3126

Job	Run time
ruby-3.2 drv:current db:6.0 rails: fle: replica_set	16m 43s
ruby-3.1 drv:current db:6.0 rails: fle: replica_set	24m 15s
ruby-3.0 drv:current db:6.0 rails: fle: replica_set	15m 40s
ruby-3.1 drv:master db:6.0 rails: fle: replica_set	17m 23s
ruby-3.0 drv:stable db:6.0 rails: fle: replica_set	24m 17s
ruby-3.1 drv:current db:6.0 rails:7.0 fle:helper server	13m 35s
ruby-3.1 drv:current db:6.0 rails:6.1 fle:helper server	23m 26s
ruby-3.0 drv:current db:6.0 rails:7.0 fle:helper server	14m 57s
ruby-3.0 drv:current db:6.0 rails:6.1 fle:helper server	13m 37s
ruby-3.0 drv:current db:6.0 rails:6.0 fle:helper server	13m 27s
ruby-2.7 drv:current db:6.0 rails:5.2 fle:helper server	7m 12s
jruby-9.3 drv:current db:6.0 rails:6.0 fle:helper server	30m 24s
ruby-3.1 drv:current db:5.0 rails: fle: replica_set	15m 31s
ruby-2.7 drv:current db:4.4 rails: fle: replica_set	16m 18s
ruby-2.7 drv:current db:4.0 rails: fle: replica_set	15m 35s
ruby-2.7 drv:current db:3.6 rails: fle: replica_set	17m 45s
	4h 40m 5s

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