fix: minor bug fixes

[Yohe-Am]

• Bug with typegraph context reset around deno_modules
• Bug with typegate onPush hook error detection and typegraph parsing of such errors
• Bug with artifact resolution when they're reused.
• Bug with return type of the KvRuntime get functions
• Bumps metatype to 0.5.0-rc.3

Migration notes

N/A

---

• The change comes with new or modified tests
• Hard-to-understand functions have explanatory comments
• End-user documentation is updated to reflect the change

[Natoandro]

Great 👍

[codecov]

Codecov Report

Attention: Patch coverage is 91.66667% with 5 lines in your changes missing coverage. Please review.

Project coverage is 76.77%. Comparing base (0a27b94) to head (5417385).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
src/typegate/src/runtimes/kv.ts	86.36%	3 Missing ⚠️
src/typegraph/deno/src/utils/func_utils.ts	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #894      +/-   ##
==========================================
- Coverage   76.77%   76.77%   -0.01%     
==========================================
  Files         149      149              
  Lines       18233    18244      +11     
  Branches     1768     1765       -3     
==========================================
+ Hits        13998    14006       +8     
- Misses       4212     4215       +3     
  Partials       23       23              

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