feat: add option to cancel idle peer task

[jim3ma]

Description

Related Issue

Fix #3809

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]

Codecov Report

Attention: Patch coverage is 40.00000% with 9 lines in your changes missing coverage. Please review.

Project coverage is 34.19%. Comparing base (e5f63a9) to head (04d1c45).
Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
client/daemon/daemon.go	0.00%	9 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3810      +/-   ##
==========================================
- Coverage   34.22%   34.19%   -0.03%     
==========================================
  Files         337      337              
  Lines       38982    38986       +4     
==========================================
- Hits        13341    13333       -8     
- Misses      24802    24811       +9     
- Partials      839      842       +3     

Flag	Coverage Δ
unittests	34.19% <40.00%> (-0.03%)	⬇️

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

Files with missing lines	Coverage Δ
client/config/peerhost.go	42.21% <ø> (ø)
client/daemon/peer/peertask_conductor.go	52.04% <100.00%> (+0.11%)	⬆️
client/daemon/daemon.go	0.00% <0.00%> (ø)

... and 3 files with indirect coverage changes

[aobt]

LGTM

[gaius-qi]

LGTM