[CLIENT-3752] Add support for path expressions and operations

[juliannguyen4]

Known Issues

Missing expression that exposes as_exp_result_remove() from the C client

Extra changes

• Refactor conversion code for as_cdt_ctx

Docs

Contexts

Both contexts

Operations

select_by_path
modify_by_path

Expressions

LoopVar*

Flags for new operations and expressions

CDT Select Flags

[codecov-commenter]

Codecov Report

❌ Patch coverage is 82.48848% with 38 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.37%. Comparing base (34c2e3f) to head (9c15c37).
⚠️ Report is 2 commits behind head on dev.

Files with missing lines	Patch %	Lines
src/main/conversions.c	77.65%	21 Missing ⚠️
src/main/client/operate.c	75.51%	12 Missing ⚠️
src/main/convert_expressions.c	86.84%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #847      +/-   ##
==========================================
+ Coverage   82.35%   82.37%   +0.01%     
==========================================
  Files          99       99              
  Lines       14379    14508     +129     
==========================================
+ Hits        11842    11951     +109     
- Misses       2537     2557      +20     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.