Fix displaying last successful debug shrunk values

[Baptouuuu]

In case the shrinking process finds both strategies (a and b) to succeed, then the values displayed via $assert-debug() are the ones from the successful b strategy instead of the ones from the last failing scenario.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.98%. Comparing base (0b5e59d) to head (54b1065).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #115      +/-   ##
============================================
+ Coverage     91.93%   91.98%   +0.05%     
- Complexity     1527     1528       +1     
============================================
  Files           140      140              
  Lines          8490     8521      +31     
============================================
+ Hits           7805     7838      +33     
+ Misses          685      683       -2     

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