fix: handle deferred scalarization in SDE simplification

[AayushSabharwal]

Close #4875

[github-actions]

Benchmark Results (Julia vlts)

Time benchmarks

	master	f781d65...	master / f781d65...
ODEProblem	5.77 ± 0.39 ms	5.67 ± 0.2 ms	1.02 ± 0.078
init	0.086 ± 0.031 ms	0.0862 ± 0.032 ms	0.997 ± 0.52
large_parameter_init/ODEProblem	16.1 ± 1.4 ms	16.9 ± 0.84 ms	0.952 ± 0.097
large_parameter_init/init	0.0868 ± 0.038 ms	0.0869 ± 0.037 ms	0.999 ± 0.61
mtkcompile	10.6 ± 0.88 ms	9.5 ± 0.6 ms	1.11 ± 0.12
sparse_analytical_jacobian/ODEProblem	19.5 ± 0.75 ms	20.8 ± 1 ms	0.935 ± 0.058
sparse_analytical_jacobian/f_iip	0.07 ± 0.01 μs	0.07 ± 0.01 μs	1 ± 0.2
sparse_analytical_jacobian/f_oop	0.394 ± 0.011 ms	0.395 ± 0.011 ms	0.998 ± 0.038
time_to_load	6.31 ± 0.02 s	6.33 ± 0.074 s	0.997 ± 0.012

Memory benchmarks

	master	f781d65...	master / f781d65...
ODEProblem	0.0368 M allocs: 1.9 MB	0.0368 M allocs: 1.9 MB	0.999
init	0.428 k allocs: 0.0725 MB	0.428 k allocs: 0.0725 MB	1
large_parameter_init/ODEProblem	0.159 M allocs: 5.99 MB	0.159 M allocs: 5.99 MB	1
large_parameter_init/init	0.616 k allocs: 0.175 MB	0.616 k allocs: 0.175 MB	1
mtkcompile	0.059 M allocs: 3.35 MB	0.059 M allocs: 3.34 MB	1
sparse_analytical_jacobian/ODEProblem	0.117 M allocs: 5.69 MB	0.117 M allocs: 5.69 MB	0.999
sparse_analytical_jacobian/f_iip	0 allocs: 0 B	0 allocs: 0 B
sparse_analytical_jacobian/f_oop	0.634 k allocs: 19.6 kB	0.634 k allocs: 19.6 kB	1
time_to_load	0.153 k allocs: 14.5 kB	0.153 k allocs: 14.5 kB	1

[github-actions]

Benchmark Results (Julia v1)

Time benchmarks

	master	f781d65...	master / f781d65...
ODEProblem	5.4 ± 0.15 ms	5.75 ± 0.45 ms	0.939 ± 0.078
init	0.0649 ± 0.019 ms	0.065 ± 0.02 ms	0.998 ± 0.42
large_parameter_init/ODEProblem	15.2 ± 1.9 ms	17.4 ± 2.3 ms	0.875 ± 0.16
large_parameter_init/init	0.0785 ± 0.022 ms	0.0818 ± 0.035 ms	0.96 ± 0.49
mtkcompile	8.79 ± 0.24 ms	8.81 ± 0.35 ms	0.997 ± 0.049
sparse_analytical_jacobian/ODEProblem	21.6 ± 2 ms	21.4 ± 1.7 ms	1.01 ± 0.12
sparse_analytical_jacobian/f_iip	0.09 ± 0.009 μs	0.09 ± 0.009 μs	1 ± 0.14
sparse_analytical_jacobian/f_oop	0.139 ± 0.013 ms	0.141 ± 0.013 ms	0.989 ± 0.13
time_to_load	5.64 ± 0.044 s	5.86 ± 0.045 s	0.962 ± 0.011

Memory benchmarks

	master	f781d65...	master / f781d65...
ODEProblem	0.0364 M allocs: 1.66 MB	0.0364 M allocs: 1.66 MB	1
init	0.426 k allocs: 0.0545 MB	0.426 k allocs: 0.0545 MB	1
large_parameter_init/ODEProblem	0.151 M allocs: 4.98 MB	0.151 M allocs: 4.95 MB	1.01
large_parameter_init/init	0.809 k allocs: 0.154 MB	0.809 k allocs: 0.154 MB	1
mtkcompile	0.0556 M allocs: 2.59 MB	0.0556 M allocs: 2.59 MB	1
sparse_analytical_jacobian/ODEProblem	0.117 M allocs: 4.75 MB	0.117 M allocs: 4.75 MB	1
sparse_analytical_jacobian/f_iip	0 allocs: 0 B	0 allocs: 0 B
sparse_analytical_jacobian/f_oop	0.848 k allocs: 27 kB	0.848 k allocs: 27 kB	1
time_to_load	0.145 k allocs: 11 kB	0.145 k allocs: 11 kB	1