front: update display in rolling stock editor #9570

Job	Run time
check_generated_railjson_sync	17s
build (core-build, core)	13s
build (editoast, editoast-test)	15s
check_integration_tests	1m 34s
check_commits	5s
build (gateway-test, gateway-standalone, gateway-front)	1m 52s
check_osrd_schema	40s
build (front-build, front-tests, front-devel, front-nginx)	34s
build (osrdyne, osrdyne-test)	17s
check_railjson_generator	1m 47s
Check final newline	10s
check_infra_schema_sync	18s
check_toml	6s
check_core	4m 14s
check_front_rtk_sync	1m 31s
check_editoast_lints	5m 36s
check_editoast_tests	7m 3s
check_editoast_openapi	1m 26s
check_gateway	2m 11s
check_front	2m 41s
check_osrdyne	2m 36s
integration_tests	5m 51s
	41m 17s

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