feat: Avoid throwing errors for shared input/output IDs #2639

Job	Run time
routine / routine	4m 17s
R-CMD-check / setup	7s
website / pkgdown	3m 0s
R-CMD-check / macOS-latest (4.4.2)	3m 25s
R-CMD-check / windows-latest (4.4.2)	3m 59s
R-CMD-check / ubuntu-latest (devel)	4m 54s
R-CMD-check / ubuntu-latest (4.4.2)	7m 5s
R-CMD-check / ubuntu-latest (4.3.3)	7m 0s
R-CMD-check / ubuntu-latest (4.2.3)	5m 46s
R-CMD-check / ubuntu-latest (4.1.3)	5m 59s
R-CMD-check / ubuntu-latest (4.0.5)	6m 1s
	51m 33s

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