fix(types): unwrap refs in mapWritableState for setup stores

[jh-leong]

close #2804

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commit: 61b47e8

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.39%. Comparing base (3269742) to head (61b47e8).
Report is 3 commits behind head on v2.

Additional details and impacted files

@@           Coverage Diff           @@
##               v2    #2805   +/-   ##
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  Coverage   88.39%   88.39%           
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  Files          19       19           
  Lines        1439     1439           
  Branches      227      227           
=======================================
  Hits         1272     1272           
  Misses        166      166           
  Partials        1        1           

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[noootwo]

@posva When is this PR scheduled to be merged?

[posva]

Thanks! I wanted to remove the redundancy with SS so I used UnwrapRef like Store does to correctly extract the final type.