feat: De-duplicate client console messages #2733

Job	Run time
R-CMD-check / setup	46s
website / pkgdown	3m 0s
routine / routine	5m 19s
R-CMD-check / macOS-latest (4.4.2)	3m 34s
R-CMD-check / windows-latest (4.4.2)	4m 38s
R-CMD-check / ubuntu-latest (devel)	4m 13s
R-CMD-check / ubuntu-latest (4.4.2)	4m 9s
R-CMD-check / ubuntu-latest (4.3.3)	3m 41s
R-CMD-check / ubuntu-latest (4.2.3)	4m 17s
R-CMD-check / ubuntu-latest (4.1.3)	3m 38s
R-CMD-check / ubuntu-latest (4.0.5)	3m 41s
	40m 56s

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