editoast: work schedule projection endpoint #11016

Job	Run time
build (core-build, core)	25s
build (editoast, editoast-test)	4m 5s
check_generated_railjson_sync	26s
build (gateway-test, gateway-standalone, gateway-front)	4m 57s
check_commits	8s
check_railjson_generator	1m 48s
build (front-build, front-tests, front-devel, front-nginx)	5m 23s
Check final newline	13s
build (osrdyne, osrdyne-test)	17s
check_infra_schema_sync	24s
check_integration_tests	1m 25s
check_osrd_schema	45s
check_toml	8s
check_reuse_compliance	8s
check_front_rtk_sync	1m 55s
check_core	4m 4s
check_editoast_openapi	1m 14s
check_editoast_lints	5m 6s
check_editoast_tests	4m 19s
check_gateway	2m 12s
check_front	2m 46s
check_osrdyne	2m 43s
integration_tests	9m 5s
	53m 56s

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