[ISSUE #9959] Correct thread name prefix for file recycling executor in tiered store

[majialoong]

Which Issue(s) This PR Fixes

Fixes #9959

Brief Description

Thread use the correct name prefix.

How Did You Test This Change?

Unit test

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 48.72%. Comparing base (b5da00a) to head (48e08cb).

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #9960      +/-   ##
=============================================
- Coverage      48.81%   48.72%   -0.09%     
+ Complexity     12760    12741      -19     
=============================================
  Files           1324     1324              
  Lines          96407    96407              
  Branches       12435    12435              
=============================================
- Hits           47057    46977      -80     
- Misses         43605    43666      +61     
- Partials        5745     5764      +19     

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