scheduler concurrent bug fix

[244372610]

Description

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 #513 (6a01766) into main (f98401d) will increase coverage by 0.04%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main     #513      +/-   ##
==========================================
+ Coverage   39.38%   39.43%   +0.04%     
==========================================
  Files          81       81              
  Lines        6299     6299              
==========================================
+ Hits         2481     2484       +3     
+ Misses       3456     3453       -3     
  Partials      362      362              

Flag	Coverage Δ
e2etests	∅ <ø> (∅)
unittests	39.43% <0.00%> (+0.04%)	⬆️

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

Impacted Files	Coverage Δ
client/daemon/peer/peertask_base.go	32.94% <0.00%> (+0.70%)	⬆️

[gaius-qi]

LGTM