Fix (dis)arm reason enumeration #32302

Job	Run time
build (tests_coverage)	11m 49s
build (check_format)	1m 54s
build (tests)	10m 13s
build (shellcheck_all)	4m 4s
build (check_newlines)	2m 15s
build (px4_fmu-v2_default stack_check)	4m 2s
build (module_documentation)	1m 57s
build (NO_NINJA_BUILD=1 px4_fmu-v5_default)	5m 21s
build (validate_module_configs)	1m 53s
build (px4_sitl_allyes)	8m 16s
build (NO_NINJA_BUILD=1 px4_sitl_default)	6m 0s
	57m 44s

Provide feedback