enhance: [2.4] Add L0 forward policy to support remote load (#36189)

[congqixia]

Cherry-pick from master
pr: #36189
Related to #35303

This PR add a param item to support change l0 forward behavior from bf filtering and forward to remote load.

---

[XuanYang-cn]

/lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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[codecov]

Codecov Report

Attention: Patch coverage is 48.05195% with 40 lines in your changes missing coverage. Please review.

Project coverage is 81.16%. Comparing base (089790a) to head (38d8258).
Report is 3 commits behind head on 2.4.

Files with missing lines	Patch %	Lines
...l/querynodev2/delegator/delegator_delta_forward.go	40.62%	37 Missing and 1 partial ⚠️
internal/querynodev2/delegator/delegator_data.go	66.66%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              2.4   #36208      +/-   ##
==========================================
+ Coverage   71.91%   81.16%   +9.24%     
==========================================
  Files        1059     1060       +1     
  Lines      139495   139553      +58     
==========================================
+ Hits       100322   113269   +12947     
+ Misses      34892    22008   -12884     
+ Partials     4281     4276       -5     

Files with missing lines	Coverage Δ
pkg/util/paramtable/component_param.go	98.34% <100.00%> (+<0.01%)	⬆️
internal/querynodev2/delegator/delegator_data.go	88.56% <66.66%> (-0.12%)	⬇️
...l/querynodev2/delegator/delegator_delta_forward.go	40.62% <40.62%> (ø)

... and 235 files with indirect coverage changes