[CLIENT-3106] Refactoring: replace initialize_bin_for_strictypes() helper function with as_val_new_from_pyobject()

[juliannguyen4]

Used by operate.c

[codecov-commenter]

Codecov Report

❌ Patch coverage is 83.33333% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 83.36%. Comparing base (343c1e1) to head (7cb0d39).
⚠️ Report is 1 commits behind head on dev.

Files with missing lines	Patch %	Lines
src/main/conversions.c	83.33%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #859      +/-   ##
==========================================
- Coverage   83.38%   83.36%   -0.03%     
==========================================
  Files          99       99              
  Lines       14396    14358      -38     
==========================================
- Hits        12004    11969      -35     
+ Misses       2392     2389       -3     

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