fixed wrong import use in playground-api-client

[fuxingloh]

What kind of PR is this?:

/kind fix

[codeclimate]

Code Climate has analyzed commit 7c5c48c and detected 0 issues on this pull request.

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[codecov]

Codecov Report

Merging #131 (7c5c48c) into main (87ebbf7) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #131   +/-   ##
=======================================
  Coverage   79.31%   79.31%           
=======================================
  Files          35       35           
  Lines         585      585           
  Branches       57       57           
=======================================
  Hits          464      464           
  Misses        121      121           

Impacted Files	Coverage Δ
src/module.playground/setup/setup.dex.ts	95.00% <ø> (ø)
src/module.playground/setup/setup.token.ts	93.75% <ø> (ø)

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