fix: add missing call to initialize in cairo_run_parsed_program

[MegaRedHand]

Description

This missing call meant passing an empty program would cause a panic. Also, now it ignores the error caused by reaching the program's end with steps remaining.

Checklist

• Linked to Github Issue
• Unit tests added
• Integration tests added.
• This change requires new documentation.
  • Documentation has been added/updated.
  • CHANGELOG has been updated.

[fmoletta]

LGTM ser

[codecov]

Codecov Report

Merging #1330 (82ffa9a) into main (2d5b2cc) will increase coverage by 0.35%.
The diff coverage is 98.36%.

@@            Coverage Diff             @@
##             main    #1330      +/-   ##
==========================================
+ Coverage   97.53%   97.88%   +0.35%     
==========================================
  Files          92       89       -3     
  Lines       37474    35529    -1945     
==========================================
- Hits        36549    34778    -1771     
+ Misses        925      751     -174     

Impacted Files	Coverage Δ
vm/src/cairo_run.rs	99.50% <ø> (ø)
vm/src/vm/runners/cairo_runner.rs	97.88% <87.50%> (-0.03%)	⬇️
felt/src/lib_lambdaworks.rs	97.88% <100.00%> (+0.09%)	⬆️

... and 3 files with indirect coverage changes

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[github-actions]

Benchmark Results for unmodified programs 🚀

Command	Mean [s]	Min [s]	Max [s]	Relative
base big_factorial	4.807 ± 0.019	4.787	4.857	1.00 ± 0.00
head big_factorial	4.800 ± 0.015	4.769	4.820	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base big_fibonacci	4.066 ± 0.012	4.051	4.082	1.00
head big_fibonacci	4.067 ± 0.012	4.056	4.095	1.00 ± 0.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base blake2s_integration_benchmark	12.457 ± 0.034	12.389	12.522	1.00
head blake2s_integration_benchmark	12.496 ± 0.046	12.435	12.572	1.00 ± 0.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base compare_arrays_200000	4.400 ± 0.010	4.385	4.415	1.00
head compare_arrays_200000	4.433 ± 0.086	4.396	4.676	1.01 ± 0.02

Command	Mean [s]	Min [s]	Max [s]	Relative
base dict_integration_benchmark	2.960 ± 0.009	2.949	2.978	1.00 ± 0.00
head dict_integration_benchmark	2.953 ± 0.009	2.934	2.963	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base field_arithmetic_get_square_benchmark	2.201 ± 0.009	2.188	2.217	1.00
head field_arithmetic_get_square_benchmark	2.210 ± 0.010	2.197	2.234	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base integration_builtins	11.127 ± 0.016	11.107	11.165	1.00
head integration_builtins	11.226 ± 0.040	11.182	11.298	1.01 ± 0.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base keccak_integration_benchmark	12.689 ± 0.052	12.643	12.808	1.00
head keccak_integration_benchmark	12.719 ± 0.145	12.601	13.086	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base linear_search	4.424 ± 0.007	4.415	4.435	1.00
head linear_search	4.430 ± 0.016	4.414	4.462	1.00 ± 0.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base math_cmp_and_pow_integration_benchmark	3.188 ± 0.016	3.170	3.224	1.00
head math_cmp_and_pow_integration_benchmark	3.201 ± 0.007	3.189	3.212	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base math_integration_benchmark	2.899 ± 0.011	2.880	2.911	1.00
head math_integration_benchmark	2.909 ± 0.007	2.902	2.924	1.00 ± 0.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base memory_integration_benchmark	2.524 ± 0.009	2.511	2.543	1.00
head memory_integration_benchmark	2.526 ± 0.012	2.505	2.546	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base operations_with_data_structures_benchmarks	2.850 ± 0.015	2.828	2.870	1.01 ± 0.01
head operations_with_data_structures_benchmarks	2.825 ± 0.009	2.811	2.842	1.00

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
base pedersen	986.6 ± 3.9	982.6	995.2	1.00 ± 0.01
head pedersen	984.4 ± 3.7	978.7	990.4	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base poseidon_integration_benchmark	1.795 ± 0.006	1.787	1.804	1.00 ± 0.01
head poseidon_integration_benchmark	1.792 ± 0.008	1.777	1.803	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base secp_integration_benchmark	3.436 ± 0.010	3.416	3.458	1.00 ± 0.00
head secp_integration_benchmark	3.432 ± 0.011	3.413	3.447	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base set_integration_benchmark	1.723 ± 0.005	1.715	1.731	1.00
head set_integration_benchmark	1.743 ± 0.008	1.733	1.756	1.01 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base uint256_integration_benchmark	8.100 ± 0.029	8.070	8.153	1.00
head uint256_integration_benchmark	8.105 ± 0.038	8.051	8.168	1.00 ± 0.01