Fix unintended scroll wheel behavior for single row and column tables

[mattrunyon]

Fixes #599

[codecov]

Codecov Report

Merging #600 (ca0556c) into main (c345a53) will not change coverage.
The diff coverage is 0.00%.

@@           Coverage Diff           @@
##             main     #600   +/-   ##
=======================================
  Coverage   36.50%   36.50%           
=======================================
  Files         390      390           
  Lines       28613    28613           
  Branches     6745     6747    +2     
=======================================
  Hits        10444    10444           
  Misses      17827    17827           
  Partials      342      342           

Flag	Coverage Δ
unit	36.50% <0.00%> (ø)

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Impacted Files	Coverage Δ
packages/grid/src/Grid.tsx	64.50% <0.00%> (ø)

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