Swapped mito mode in Mutect to use the mode argument utils #4665

Job	Run time
build and push gatk docker to artifacts	16m 40s
Validate generated WDLs using womtools	14m 19s
Validate script WDLs using womtools	53s
check if the environment has privileges	1s
WDL test RUN_CNV_GERMLINE_COHORT_WDL on cromwell	23m 42s
WDL test RUN_CNV_GERMLINE_CASE_WDL on cromwell	26m 57s
WDL test RUN_CNV_SOMATIC_WDL on cromwell	24m 35s
WDL test RUN_M2_WDL on cromwell	17m 54s
WDL test RUN_VCF_SITE_LEVEL_FILTERING_WDL on cromwell	12m 47s
Java 17.0.6+10 build and test cloud	22m 56s
Java 17.0.6+10 build and test integration	32m 48s
Java 17.0.6+10 build and test unit	20m 32s
Java 17.0.6+10 test on docker integration	37m 2s
Java 17.0.6+10 test on docker unit	24m 23s
Java 17.0.6+10 test on docker variantcalling	31m 53s
Java 17.0.6+10 test on docker conda	25m 8s
	5h 32m 30s

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