fix: Propagate nulls for float methods on all numeric types

[lukemanley]

The use case isn't obvious, but the float-specific methods currently work on all numeric types. The current implementation only propagates nulls for float types. This makes null propagation consistent across all types.

[ritchie46]

Good observation.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.91%. Comparing base (5d2d550) to head (9803e45).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #20386      +/-   ##
==========================================
- Coverage   79.14%   78.91%   -0.23%     
==========================================
  Files        1566     1567       +1     
  Lines      219231   219928     +697     
  Branches     2465     2465              
==========================================
+ Hits       173503   173554      +51     
- Misses      45160    45806     +646     
  Partials      568      568              

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