enhance: support syncpeers by service and optimize the merge logic

[CormickKneey]

Description

still in progress

Related Issue

#3634

[codecov]

Codecov Report

Attention: Patch coverage is 29.03226% with 154 lines in your changes missing coverage. Please review.

Project coverage is 35.46%. Comparing base (b83a4c9) to head (207a410).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
manager/job/sync_peers.go	28.57%	95 Missing ⚠️
manager/service/job.go	0.00%	35 Missing ⚠️
manager/handlers/job.go	8.33%	11 Missing ⚠️
manager/service/mocks/service_mock.go	0.00%	9 Missing ⚠️
manager/job/mocks/sync_peers_mock.go	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3637      +/-   ##
==========================================
+ Coverage   35.41%   35.46%   +0.04%     
==========================================
  Files         335      336       +1     
  Lines       37531    37657     +126     
==========================================
+ Hits        13293    13355      +62     
- Misses      23409    23471      +62     
- Partials      829      831       +2     

Flag	Coverage Δ
unittests	35.46% <29.03%> (+0.04%)	⬆️

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

Files with missing lines	Coverage Δ
manager/config/config.go	96.29% <100.00%> (+0.01%)	⬆️
manager/service/service.go	0.00% <ø> (ø)
pkg/container/slice/slice.go	100.00% <100.00%> (ø)
scheduler/resource/standard/host.go	88.23% <100.00%> (ø)
manager/job/mocks/sync_peers_mock.go	0.00% <0.00%> (ø)
manager/service/mocks/service_mock.go	95.40% <0.00%> (-1.15%)	⬇️
manager/handlers/job.go	50.00% <8.33%> (-5.56%)	⬇️
manager/service/job.go	0.00% <0.00%> (ø)
manager/job/sync_peers.go	18.71% <28.57%> (+18.71%)	⬆️

... and 2 files with indirect coverage changes

[chlins]

lgtm

[gaius-qi]

Please remove lo library and define the func in pkg/container/map/map.go.

[gaius-qi]

LGTM

[chlins]

lgtm