feat: support struct array for restful(#45496)

[MrPresent-Han]

related: #45496

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[codecov[bot]]

Codecov Report

:x: Patch coverage is 0% with 436 lines in your changes missing coverage. Please review. :white_check_mark: Project coverage is 41.31%. Comparing base (0a208d7) to head (bcbbf99). :warning: Report is 24 commits behind head on master.

Files with missing lines	Patch %	Lines
internal/distributed/proxy/httpserver/utils.go	0.00%	192 Missing :warning:
...ernal/distributed/proxy/httpserver/struct_utils.go	0.00%	167 Missing :warning:
...nternal/distributed/proxy/httpserver/handler_v2.go	0.00%	57 Missing :warning:
pkg/util/typeutil/convension.go	0.00%	19 Missing :warning:
...nternal/distributed/proxy/httpserver/request_v2.go	0.00%	1 Missing :warning:

:x: Your patch check has failed because the patch coverage (0.00%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage. :x: Your project check has failed because the head coverage (41.31%) is below the target coverage (77.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #45571      +/-   ##
==========================================
- Coverage   41.40%   41.31%   -0.10%     
==========================================
  Files        1218     1219       +1     
  Lines      192156   192567     +411     
==========================================
- Hits        79561    79554       -7     
- Misses     112260   112678     +418     
  Partials      335      335              

Components	Coverage Δ
Client	∅ <ø> (∅)
Core	83.18% <ø> (ø)
Go	9.52% <0.00%> (-0.05%)	:arrow_down:

Files with missing lines	Coverage Δ
...nternal/distributed/proxy/httpserver/request_v2.go	0.00% <0.00%> (ø)
pkg/util/typeutil/convension.go	0.00% <0.00%> (ø)
...nternal/distributed/proxy/httpserver/handler_v2.go	0.00% <0.00%> (ø)
...ernal/distributed/proxy/httpserver/struct_utils.go	0.00% <0.00%> (ø)
internal/distributed/proxy/httpserver/utils.go	0.00% <0.00%> (ø)

... and 2 files with indirect coverage changes

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[mergify[bot]]

@MrPresent-Han cpu-e2e job failed, comment /run-cpu-e2e can trigger the job again.

[sre-ci-robot]

[ci-v2-notice] Notice: We are gradually rolling out the new ci-v2 system.

• Legacy CI jobs remain unaffected, you can just ignore ci-v2 if you don't want to run it.
• Additional "ci-v2/*" checkers will run for this PR to ensure the new ci-v2 system is working as expected.
• For tests that exist in both v1 and v2, passing in either system is considered PASS.

To rerun ci-v2 checks, comment with:

• /ci-rerun-code-check // for ci-v2/code-check
• /ci-rerun-build // for ci-v2/build
• /ci-rerun-ut-integration // for ci-v2/ut-integration
• /ci-rerun-ut-go // for ci-v2/ut-go
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If you have any questions or requests, please contact @zhikunyao.