[ISSUE #9752] Fix time dequeue latency unit to milliseconds

[dingshuangxi888]

Which Issue(s) This PR Fixes

Fixes #9752

Brief Description

The delay time units of time tasks are inconsistent.

How Did You Test This Change?

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 48.25%. Comparing base (4a64a5a) to head (fbff64b).

Files with missing lines	Patch %	Lines
...etmq/store/metrics/DefaultStoreMetricsManager.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #9753      +/-   ##
=============================================
- Coverage      48.29%   48.25%   -0.05%     
+ Complexity     12186    12169      -17     
=============================================
  Files           1313     1313              
  Lines          93340    93340              
  Branches       11962    11962              
=============================================
- Hits           45083    45042      -41     
- Misses         42685    42712      +27     
- Partials        5572     5586      +14     

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