Prevent pipeline fails from erroneous param validation when igenomes is used #696

Job	Run time
Run pipeline with test data (24.04.2 \| test \| docker)	3m 24s
Run pipeline with test data (latest-everything \| test \| docker)	2m 15s
Test workflow parameters (24.04.2, --skip_trimming)	22m 0s
Test workflow parameters (24.04.2, --skip_consensus_peaks)	23m 24s
Test workflow parameters (24.04.2, --aligner bowtie2)	25m 43s
Test workflow parameters (24.04.2, --aligner chromap)	23m 22s
Test workflow parameters (24.04.2, --aligner star)	25m 30s
Test workflow parameters (latest-everything, --skip_trimming)	22m 2s
Test workflow parameters (latest-everything, --skip_consensus_peaks)	22m 21s
Test workflow parameters (latest-everything, --aligner bowtie2)	25m 22s
Test workflow parameters (latest-everything, --aligner chromap)	25m 31s
Test workflow parameters (latest-everything, --aligner star)	23m 29s
	4h 4m 23s

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