refactor: Rename fixColumn to horizonScroll

[zombieJ]

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[codecov]

Codecov Report

Merging #449 into master will not change coverage by %.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #449   +/-   ##
=======================================
  Coverage   99.69%   99.69%           
=======================================
  Files          21       21           
  Lines         649      649           
  Branches      184      184           
=======================================
  Hits          647      647           
  Misses          2        2           

Impacted Files	Coverage Δ
src/Body/BodyRow.tsx	100.00% <ø> (ø)
src/context/BodyContext.tsx	100.00% <ø> (ø)
src/Body/ExpandedRow.tsx	100.00% <100.00%> (ø)
src/Body/index.tsx	100.00% <100.00%> (ø)
src/Table.tsx	100.00% <100.00%> (ø)

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