feat: De-duplicate client console messages #2702

Job	Run time
website / pkgdown	3m 42s
routine / routine	4m 38s
R-CMD-check / setup	55s
R-CMD-check / macOS-latest (4.4.2)	3m 48s
R-CMD-check / windows-latest (4.4.2)	4m 0s
R-CMD-check / ubuntu-latest (devel)	6m 26s
R-CMD-check / ubuntu-latest (4.4.2)	6m 36s
R-CMD-check / ubuntu-latest (4.3.3)	5m 12s
R-CMD-check / ubuntu-latest (4.2.3)	3m 26s
R-CMD-check / ubuntu-latest (4.1.3)	7m 25s
R-CMD-check / ubuntu-latest (4.0.5)	5m 29s
	51m 37s

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