fix: translate iap errors

[FlorianKe]

backport #119

[codecov-commenter]

Codecov Report

❌ Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 68.85%. Comparing base (684b2af) to head (e5ba1d5).

Files with missing lines	Patch %	Lines
...mponent/sw-in-app-purchase-checkout-state/index.ts	66.66%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##              6.6.x     #123      +/-   ##
============================================
+ Coverage     65.82%   68.85%   +3.03%     
- Complexity        0       69      +69     
============================================
  Files            29       37       +8     
  Lines           831     1188     +357     
  Branches        155      154       -1     
============================================
+ Hits            547      818     +271     
- Misses          255      341      +86     
  Partials         29       29              

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