feat: searcher plugin change return params

[gaius-qi]

Signed-off-by: Gaius gaius.qi@gmail.com

Description

• searcher plugin change return params.

Related Issue

Motivation and Context

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist:

• Code compiles correctly.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

Merging #844 (05f186a) into main (eb06464) will increase coverage by 0.10%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #844      +/-   ##
==========================================
+ Coverage   41.11%   41.21%   +0.10%     
==========================================
  Files         102      102              
  Lines        8068     8070       +2     
==========================================
+ Hits         3317     3326       +9     
+ Misses       4341     4331      -10     
- Partials      410      413       +3     

Flag	Coverage Δ
Object-compatibility-e2etests	?
e2etests	?
unittests	41.21% <100.00%> (+0.10%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
manager/searcher/searcher.go	66.66% <100.00%> (+4.84%)	⬆️
client/daemon/peer/peertask_stream_callback.go	62.13% <0.00%> (-1.95%)	⬇️
client/daemon/peer/peertask_base.go	47.27% <0.00%> (+0.60%)	⬆️
client/daemon/peer/peertask_stream.go	55.04% <0.00%> (+1.22%)	⬆️