feature: support multi analyzer for restful(#41968)

[MrPresent-Han]

related: #41968
pr: #41970

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[codecov]

Codecov Report

Attention: Patch coverage is 7.69231% with 12 lines in your changes missing coverage. Please review.

Project coverage is 80.60%. Comparing base (0e75e66) to head (451c232).
Report is 18 commits behind head on 2.5.

Files with missing lines	Patch %	Lines
...nternal/distributed/proxy/httpserver/handler_v2.go	0.00%	11 Missing and 1 partial ⚠️

❌ Your patch status has failed because the patch coverage (7.69%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##              2.5   #41969      +/-   ##
==========================================
- Coverage   80.65%   80.60%   -0.05%     
==========================================
  Files        1427     1427              
  Lines      205136   205615     +479     
==========================================
+ Hits       165456   165744     +288     
- Misses      33877    34051     +174     
- Partials     5803     5820      +17     

Components	Coverage Δ
Client	79.42% <ø> (ø)
Core	70.61% <ø> (-0.07%)	⬇️
Go	82.59% <7.69%> (-0.04%)	⬇️

Files with missing lines	Coverage Δ
...nternal/distributed/proxy/httpserver/request_v2.go	83.09% <ø> (ø)
...rnal/util/function/multi_analyzer_bm25_function.go	64.90% <100.00%> (ø)
...nternal/distributed/proxy/httpserver/handler_v2.go	92.04% <0.00%> (-0.48%)	⬇️

... and 64 files with indirect coverage changes

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[MrPresent-Han]

rerun ut

[MrPresent-Han]

/run-cpu-e2e

[MrPresent-Han]

rerun ut

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[MrPresent-Han]

/run-cpu-e2e

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