Feature: improve checkmode outputs #459

Job	Run time
ci_standalone (21.11.0) / integration	19m 31s
ci_standalone (21.13.0) / integration	20m 3s
ci_standalone (22.5.0) / integration	27m 29s
ci_standalone (22.6.0) / integration	23m 50s
ci_standalone (devel) / integration	23m 59s
	1h 54m 52s

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