fix: reduce cloning for dedupe

[laststylebender14]

Summary:
Briefly describe the changes made in this PR.

Issue Reference(s):
Fixes #... (Replace "..." with the issue number)

Build & Testing:

• I ran cargo test successfully.
• I have run ./lint.sh --mode=fix to fix all linting issues raised by ./lint.sh --mode=check.

Checklist:

• I have added relevant unit & integration tests.
• I have updated the documentation accordingly.
• I have performed a self-review of my code.
• PR follows the naming convention of <type>(<optional scope>): <title>

[codecov]

Codecov Report

Attention: Patch coverage is 82.57261% with 84 lines in your changes missing coverage. Please review.

Project coverage is 87.19%. Comparing base (d520ee4) to head (1b563f6).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/core/jit/graphql_error.rs	69.65%	44 Missing ⚠️
src/core/async_graphql_hyper.rs	91.12%	11 Missing ⚠️
src/core/http/request_handler.rs	62.06%	11 Missing ⚠️
src/core/jit/response.rs	88.15%	9 Missing ⚠️
src/core/jit/model.rs	55.55%	4 Missing ⚠️
src/core/jit/exec_const.rs	80.00%	2 Missing ⚠️
src/core/jit/transform/check_protected.rs	92.00%	2 Missing ⚠️
src/core/jit/error.rs	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3025      +/-   ##
==========================================
- Coverage   87.35%   87.19%   -0.16%     
==========================================
  Files         275      277       +2     
  Lines       27171    27473     +302     
==========================================
+ Hits        23735    23956     +221     
- Misses       3436     3517      +81     

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[karatakis]

OK