Handle "Reset Mission" param in DO_SET_MISSION_CURRENT command #33159

Job	Run time
build (stm32f7, chibios, 10)	9m 41s
build (stm32h7, chibios, 10)	8m 13s
build (fmuv2-plane, chibios, 10)	3m 46s
build (periph-build, chibios, 10)	10m 15s
build (iofirmware, chibios, 10)	1m 39s
build (CubeOrange-bootloader, chibios, 10)	1m 0s
build (fmuv3-bootloader, chibios, 10)	49s
build (revo-bootloader, chibios, 10)	54s
build (stm32h7-debug, chibios, 10)	4m 50s
build (fmuv3, chibios, 10)	14m 39s
build (revo-mini, chibios, 10)	8m 2s
build (MatekF405-Wing, chibios, 10)	12m 39s
build (CubeOrange-ODID, chibios, 10)	6m 14s
build (CubeRedPrimary-bootloader, chibios, 10)	52s
build (configure-all, chibios, 10)	12m 33s
build (build-options-defaults-test, chibios, 10)	15m 8s
build (signing, chibios, 10)	5m 35s
	1h 56m 49s

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