editoast: provide details when pathfinding failed #13321

Job	Run time
check_generated_railjson_sync	24s
build (core-build, core)	14s
build (editoast, editoast-test)	15s
build (gateway-test, gateway-standalone, gateway-front)	1m 50s
check_railjson_generator	2m 2s
build (front-build, front-tests, front-devel, front-nginx)	1m 39s
build (osrdyne, osrdyne-test)	24s
Check final newline	8s
check_commits	5s
check_infra_schema_sync	18s
check_integration_tests	1m 22s
check_osrd_schema	38s
check_reuse_compliance	8s
check_toml	4s
check_front_rtk_sync	0s
check_editoast_tests	0s
check_editoast_lints	0s
check_editoast_openapi	0s
check_core	0s
check_front	0s
check_osrdyne	0s
check_gateway	0s
integration_tests	0s
	9m 31s

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