feat: dfdaemon add GetObject rest api

[gaius-qi]

Description

• Dfdaemon add GetObject rest api.

Related Issue

#1249

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 #1398 (4245bbc) into main (be6380a) will decrease coverage by 0.17%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main    #1398      +/-   ##
==========================================
- Coverage   45.62%   45.44%   -0.18%     
==========================================
  Files         140      140              
  Lines       12059    12062       +3     
==========================================
- Hits         5502     5482      -20     
- Misses       5927     5954      +27     
+ Partials      630      626       -4     

Flag	Coverage Δ
Object-compatibility-e2etests	?
e2etests	?
unittests	45.44% <0.00%> (-0.18%)	⬇️

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

Impacted Files	Coverage Δ
client/daemon/daemon.go	5.41% <0.00%> (-0.05%)	⬇️
client/daemon/peer/peertask_piecetask_poller.go	30.43% <0.00%> (-16.67%)	⬇️
client/daemon/peer/peertask_conductor.go	58.14% <0.00%> (-0.21%)	⬇️
...ent/daemon/peer/peertask_piecetask_synchronizer.go	47.61% <0.00%> (+2.16%)	⬆️

[jim3ma]

LGTM

[hyy0322]

LGTM