fix: [pick] Fallback field type when it isn't in request (#33832)

[xiaocai2333]

issue: #33432
pr: #33832

[mergify]

@xiaocai2333 Please associate the related pr of master to the body of your Pull Request. (eg. “pr: #”)

[codecov]

Codecov Report

Attention: Patch coverage is 37.50000% with 5 lines in your changes missing coverage. Please review.

Project coverage is 81.72%. Comparing base (1168e8c) to head (5478c5c).
Report is 3 commits behind head on 2.4.

Additional details and impacted files

@@            Coverage Diff             @@
##              2.4   #34133      +/-   ##
==========================================
- Coverage   81.83%   81.72%   -0.12%     
==========================================
  Files        1005     1012       +7     
  Lines      130111   129748     -363     
==========================================
- Hits       106479   106035     -444     
- Misses      19644    19697      +53     
- Partials     3988     4016      +28     

Files	Coverage Δ
internal/indexnode/task.go	55.55% <37.50%> (+0.11%)	⬆️

... and 238 files with indirect coverage changes

[czs007]

/approve
/lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: czs007, xiaocai2333

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