Extract storage driver into peer tasks

[jim3ma]

Description

Currently, when write every piece, storage need to search the task first, it's redundant.
When register a task, storage returns an instance of underlay driver, peer task conductor uses this instance to write all pieces.

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 #998 (21ce1b6) into main (3afbbd0) will decrease coverage by 0.01%.
The diff coverage is 45.94%.

@@            Coverage Diff             @@
##             main     #998      +/-   ##
==========================================
- Coverage   46.05%   46.03%   -0.02%     
==========================================
  Files         130      130              
  Lines        9074     9077       +3     
==========================================
  Hits         4179     4179              
  Misses       4433     4433              
- Partials      462      465       +3     

Flag	Coverage Δ
Object-compatibility-e2etests	?
e2etests	?
unittests	46.03% <45.94%> (-0.02%)	⬇️

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

Impacted Files	Coverage Δ
client/daemon/peer/peertask_manager.go	41.09% <ø> (ø)
client/daemon/peer/piece_downloader.go	56.00% <ø> (ø)
client/daemon/storage/storage_manager.go	19.20% <4.76%> (-0.05%)	⬇️
client/daemon/peer/peertask_conductor.go	57.05% <100.00%> (-0.17%)	⬇️
client/daemon/peer/peertask_stream.go	65.41% <100.00%> (ø)
client/daemon/peer/piece_manager.go	66.42% <100.00%> (-0.25%)	⬇️
pkg/sync/kmutex.go	83.33% <0.00%> (-16.67%)	⬇️
pkg/sync/krwmutex.go	81.81% <0.00%> (-4.55%)	⬇️
cdn/supervisor/progress/progress.go	97.01% <0.00%> (+5.97%)	⬆️

[gaius-qi]

LGTM