Fix onnx Reshape op elem_type inference

[tye-singwa]

Pull Request Template

Checklist

• Confirmed that cargo run-checks command has been executed.
• Made sure the book is up to date with changes in this PR.

Related Issues/PRs

Attempt to fix #3264

Changes

Fixed incorrect elem_type inference for Reshape op, previously it always set Float32 from outputs[0]

Testing

Added test, checked on SAM ViT-B

[codecov]

Codecov Report

Attention: Patch coverage is 89.28571% with 3 lines in your changes missing coverage. Please review.

Project coverage is 63.15%. Comparing base (fb3843e) to head (f072580).
Report is 17 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/onnx-ir/src/node/reshape.rs	89.28%	3 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #3395       +/-   ##
===========================================
+ Coverage   35.19%   63.15%   +27.95%     
===========================================
  Files         342      963      +621     
  Lines       53164   108455    +55291     
===========================================
+ Hits        18712    68491    +49779     
- Misses      34452    39964     +5512     

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[antimora]

Thank you fixing the issue!

LGTM