data could be readonly

[pvinis]

Description

We have some relay types that are marked as readonly, and MasonryList is complaining that data is readonly when it expects mutable. data is not really doing any changes, so we might as well mark it readonly. cc @patrinoua

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[codecov[bot]]

Codecov Report

Merging #42 (aa71f81) into main (89250db) will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##              main       #42   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            1         1           
  Lines           36        36           
  Branches        13        13           
=========================================
  Hits            36        36           

Flag	Coverage Δ
unittests	100.00% <ø> (ø)

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Impacted Files	Coverage Δ
index.tsx	100.00% <ø> (ø)

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[hyochan]

Closes due to inactivity