fix: scheduler storage buffer size limit

[fcgxz2003]

Fix buffer size limit:
The parameter bufferSize in scheduler storage can not be set to 0.

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]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 51.92%. Comparing base (ba4c327) to head (4ec5539).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3142   +/-   ##
=======================================
  Coverage   51.92%   51.92%           
=======================================
  Files         163      163           
  Lines       18615    18615           
=======================================
  Hits         9666     9666           
  Misses       8286     8286           
  Partials      663      663           

Flag	Coverage Δ
Object-compatibility-e2etests	?
e2etests	?
unittests	51.92% <100.00%> (ø)

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

Files	Coverage Δ
scheduler/config/config.go	90.43% <100.00%> (ø)

[gaius-qi]

LGTM