front: clean scenario page #13642

Job	Run time
check_railjson_generator	1m 53s
check_commits	6s
build (core-build, core)	18s
check_generated_railjson_sync	20s
build (editoast, editoast-test)	26s
check_integration_tests	1m 23s
build (gateway-test, gateway-standalone, gateway-front)	2m 49s
build (front-build, front-tests, front-devel, front-nginx)	2m 29s
check_osrd_schema	43s
build (osrdyne, osrdyne-test)	14s
Check final newline	7s
check_infra_schema_sync	19s
check_reuse_compliance	12s
check_toml	6s
check_front_rtk_sync	1m 41s
check_editoast_tests	7m 15s
check_editoast_lints	9m 9s
check_core	4m 2s
check_editoast_openapi	1m 2s
check_front	2m 28s
check_gateway	3m 12s
check_osrdyne	3m 52s
integration_tests	11m 20s
	55m 26s

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