fix: client synchronizer report error lock and dial grpc timeout

[jim3ma]

Description

1. Cancel the peer task in background when encounter report to scheduler err in sync manager
2. Remove superfluous retry to sync and get pieces from other peers to make sync pieces quickly.

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

• 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.

[codecov-commenter]

Codecov Report

Merging #1260 (fe7b4d5) into main (96bdf9f) will decrease coverage by 0.15%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##             main    #1260      +/-   ##
==========================================
- Coverage   46.11%   45.96%   -0.16%     
==========================================
  Files         135      135              
  Lines       11245    11269      +24     
==========================================
- Hits         5186     5180       -6     
- Misses       5486     5522      +36     
+ Partials      573      567       -6     

Flag	Coverage Δ
Object-compatibility-e2etests	?
e2etests	?
unittests	45.96% <50.00%> (-0.16%)	⬇️

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

Impacted Files	Coverage Δ
...ent/daemon/peer/peertask_piecetask_synchronizer.go	43.24% <17.64%> (-1.39%)	⬇️
client/daemon/peer/peertask_piecetask_poller.go	47.10% <25.00%> (-6.24%)	⬇️
client/daemon/peer/peertask_conductor.go	57.35% <84.21%> (-0.80%)	⬇️

[KubeStacker]

LGTM

[gaius-qi]

LGTM