Support boring on original Module after .toInstance call (backport #4602) #3172

Job	Run time
ci (ubuntu-22.04, 8, 2.13.12, 2.4) / compile project with mill	1m 16s
ci (ubuntu-22.04, 8, 2.13.12, 2.4) / ci	1m 53s
ci (ubuntu-22.04, 8, 2.13.12, 2.4) / Formatting	3m 51s
ci (ubuntu-22.04, 8, 2.13.12, 2.4) / Integration Tests	1m 56s
ci (ubuntu-22.04, 8, 2.13.12, 2.4) / Standard Library Tests (2.13.12)	1m 57s
ci (ubuntu-22.04, 8, 2.13.12, 2.4) / Build Mdoc & Website	2m 15s
ci (ubuntu-22.04, 8, 2.13.12, 2.4) / Test Scala-CLI Example / Build and Test	1m 41s
check tests	0s
all tests passed	1s
Deploy Website	0s
publish	0s
	14m 50s

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