fix(type): default function expression -> dynamic expression

[marcus-sa]

Summary of changes

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[codecov-commenter]

Codecov Report

Attention: 39 lines in your changes are missing coverage. Please review.

Comparison is base (ee8f570) 77.88% compared to head (87c62ae) 77.81%.
Report is 1 commits behind head on master.

❗ Current head 87c62ae differs from pull request most recent head e4f115c. Consider uploading reports for the commit e4f115c to get more accurate results

Files	Patch %	Lines
packages/type/src/reflection/reflection.ts	65.48%	39 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #545      +/-   ##
==========================================
- Coverage   77.88%   77.81%   -0.08%     
==========================================
  Files         188      188              
  Lines       20143    20201      +58     
  Branches     5244     5274      +30     
==========================================
+ Hits        15689    15719      +30     
- Misses       4454     4482      +28     

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