fix: call MakeNamespaceKeyInScheduler function error

[zhoulizhen]

It should call MakeNamespaceKeyInScheduler() function in MakeKeyInScheduler() function, instead of MakeNamespaceKeyInManager() function.

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

Merging #2383 (9241245) into main (b9c9b95) will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #2383      +/-   ##
==========================================
- Coverage   49.36%   49.34%   -0.02%     
==========================================
  Files         146      146              
  Lines       19672    19672              
==========================================
- Hits         9711     9708       -3     
- Misses       9352     9355       +3     
  Partials      609      609              

Flag	Coverage Δ
Object-compatibility-e2etests	?
e2etests	?
unittests	49.34% <ø> (-0.02%)	⬇️

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see 2 files with indirect coverage changes

[gaius-qi]

LGTM