Construct CoreParams from new problem input in celer-sim (#1601) #1713

Job	Run time
Save job metadata	2s
build-fast / windows	3m 56s
build-ultralite / ultralite-ubuntu	1m 16s
build-fast / focal-gcc-8	2m 12s
build-ultralite / ultralite-windows	2m 38s
build-fast / focal-clang-10	2m 12s
doc / dev	44s
doc / user	1m 46s
build-fast / jammy-gcc-12	2m 8s
build-fast / jammy-clang-15	1m 54s
build-fast / noble-gcc-14	2m 11s
build-fast / noble-clang-18	2m 10s
build-fast / noble-gcc-14-c++20	2m 11s
build-fast / noble-clang-18-c++20	2m 13s
build-fast / noble-arm-clang-18-c++20	2m 10s
all-prechecks	0s
build-docker	0s
build-spack	0s
all	4s
	29m 47s

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