fix: Panic if invalid array in object

[ritchie46]

#15237

Doesn't fix the culprit, but at leasts panicks now.

[codspeed-hq]

CodSpeed Performance Report

Merging #15664 will not alter performance

_{Comparing panic (72698c5) with main (f992a7a)}

Summary

✅ 22 untouched benchmarks

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.31%. Comparing base (99ab9c0) to head (72698c5).
Report is 8 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #15664   +/-   ##
=======================================
  Coverage   81.31%   81.31%           
=======================================
  Files        1373     1373           
  Lines      176254   176256    +2     
  Branches     2544     2544           
=======================================
+ Hits       143320   143323    +3     
  Misses      32452    32452           
+ Partials      482      481    -1     

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