Add diagnostic message for failure during CLI search deploy

[mjankowski]

Related #28673

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.10%. Comparing base (86500e3) to head (3a55c2b).
Report is 241 commits behind head on main.

❗ Current head 3a55c2b differs from pull request most recent head 5433448. Consider uploading reports for the commit 5433448 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #29462      +/-   ##
==========================================
+ Coverage   85.01%   85.10%   +0.09%     
==========================================
  Files        1059     1062       +3     
  Lines       28277    28353      +76     
  Branches     4538     4548      +10     
==========================================
+ Hits        24040    24131      +91     
+ Misses       3074     3061      -13     
+ Partials     1163     1161       -2     

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[ClearlyClaire]

I'm afraid this could obscure the exact error, but also the linked issue is an example of a particularly obscure error…

[mjankowski]

I'm afraid this could obscure the exact error

Updated to preserve original error message/backtrace.