Fix incorrect input saving when switching simulations during a running calculation #19169

Job	Run time
Check scripts	4s
Check generated railjson sync	22s
Check commits	8s
Build (core-build, core)	15s
Check dockerfiles	9s
Check final newline	13s
Build (editoast, editoast-test)	27s
Check railjson generator	1m 45s
Build (gateway-test, gateway-standalone, gateway-front)	2m 37s
Check infra schema sync	20s
Build (front-tests)	3m 14s
Check integration tests	1m 23s
Build (osrdyne, osrdyne-test)	16s
Check osrd schema	41s
Check reuse compliance	8s
Check toml	4s
Check front rtk sync	1m 11s
Check editoast tests	6m 49s
Check editoast lints	9m 3s
Check core	4m 9s
Check editoast openapi	42s
Check front	3m 2s
Check osrdyne	3m 37s
Check gateway	3m 18s
Integration tests	1m 7s
End to end tests	8m 15s
	53m 19s

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