Separate endpoint for nologin purchase

[ba1ciu]

I had to do separate endpoint, because there was no way to fetch user ID if the endpoint is unprotected.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 72.39%. Comparing base (491e8fc) to head (7b31d7d).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1238      +/-   ##
==========================================
- Coverage   72.61%   72.39%   -0.23%     
==========================================
  Files          88       88              
  Lines       10791    10710      -81     
==========================================
- Hits         7836     7753      -83     
- Misses       2692     2694       +2     
  Partials      263      263              

Flag	Coverage Δ
chain	60.75% <ø> (ø)
cosmwasm	98.86% <ø> (-0.09%)	⬇️

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