chore: Fix the verify_dict_indices codegen

[coastalwhite]

I did some more tests and found out the problem for the codegen problem here.

[codecov]

Codecov Report

Attention: Patch coverage is 87.50000% with 1 line in your changes missing coverage. Please review.

Project coverage is 79.76%. Comparing base (aa1b45f) to head (c8daec8).
Report is 38 commits behind head on main.

Files with missing lines	Patch %	Lines
...c/arrow/read/deserialize/dictionary_encoded/mod.rs	83.33%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #20920      +/-   ##
==========================================
+ Coverage   79.64%   79.76%   +0.12%     
==========================================
  Files        1571     1569       -2     
  Lines      223185   222746     -439     
  Branches     2554     2574      +20     
==========================================
- Hits       177749   177668      -81     
+ Misses      44851    44487     -364     
- Partials      585      591       +6     

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