Fix dict deserialization.

[azteca1998]

Steps to fix:

• Make the dict deserialization match the box's implementation.
• Realize every test that returns dictionaries fails except the one that returns only a dictionary (not a tuple containing dictionaries).
• Fix the JitValue::from_jit so that every test passes except the one that was passing before.
• Fix the parse_result implementation so that the dict-only return test also passes.

Checklist

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

[github-actions]

Benchmarking results

Benchmark for program factorial_2M

Open benchmarks

Command	Mean [s]	Min [s]	Max [s]	Relative
Cairo-vm (Rust, Cairo 1)	11.334 ± 0.053	11.277	11.429	23.60 ± 0.12
cairo-native (embedded AOT)	1.525 ± 0.012	1.508	1.546	3.17 ± 0.03
cairo-native (embedded JIT using LLVM's ORC Engine)	1.620 ± 0.013	1.601	1.648	3.37 ± 0.03
cairo-native (standalone AOT)	0.654 ± 0.004	0.651	0.664	1.36 ± 0.01
cairo-native (standalone AOT with -march=native)	0.480 ± 0.001	0.480	0.481	1.00

Benchmark for program fib_2M

Open benchmarks

Command	Mean [s]	Min [s]	Max [s]	Relative
Cairo-vm (Rust, Cairo 1)	10.697 ± 0.062	10.613	10.826	1317.24 ± 18.37
cairo-native (embedded AOT)	1.113 ± 0.013	1.099	1.134	137.10 ± 2.38
cairo-native (embedded JIT using LLVM's ORC Engine)	1.131 ± 0.009	1.121	1.146	139.25 ± 2.11
cairo-native (standalone AOT)	0.008 ± 0.000	0.008	0.010	1.04 ± 0.02
cairo-native (standalone AOT with -march=native)	0.008 ± 0.000	0.008	0.009	1.00

Benchmark for program logistic_map

Open benchmarks

Command	Mean [s]	Min [s]	Max [s]	Relative
Cairo-vm (Rust, Cairo 1)	1.897 ± 0.011	1.885	1.921	28.71 ± 0.18
cairo-native (embedded AOT)	1.263 ± 0.009	1.247	1.279	19.12 ± 0.14
cairo-native (embedded JIT using LLVM's ORC Engine)	1.439 ± 0.010	1.423	1.455	21.78 ± 0.15
cairo-native (standalone AOT)	0.107 ± 0.000	0.107	0.108	1.62 ± 0.00
cairo-native (standalone AOT with -march=native)	0.066 ± 0.000	0.066	0.066	1.00

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.84%. Comparing base (eacacf7) to head (02e0002).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #672      +/-   ##
==========================================
+ Coverage   91.82%   91.84%   +0.01%     
==========================================
  Files         115      115              
  Lines       34254    34268      +14     
==========================================
+ Hits        31455    31474      +19     
+ Misses       2799     2794       -5     

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