feat: add a new ValueOrUndefined common type

[arjunlalb]

Description

Adding a new generic type.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (5386d3b) 82.99% compared to head (0796f01) 82.20%. Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2551      +/-   ##
==========================================
- Coverage   82.99%   82.20%   -0.79%     
==========================================
  Files         925      927       +2     
  Lines       20628    20860     +232     
  Branches     3253     3310      +57     
==========================================
+ Hits        17120    17149      +29     
- Misses       3388     3574     +186     
- Partials      120      137      +17     

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Test Results

       4 files  ±0     316 suites  ±0   31m 57s :stopwatch: +14s 1 135 tests ±0  1 135 :heavy_check_mark: ±0  0 :zzz: ±0  0 :x: ±0  1 145 runs  ±0  1 145 :heavy_check_mark: ±0  0 :zzz: ±0  0 :x: ±0 

Results for commit 0796f014. ± Comparison against base commit d3ddf2a5.