Fix the time segment pruner on TIMESTAMP data type

[Jackie-Jiang]

Fix #12721

When data type is TIMESTAMP, fix the format to be "TIMESTAMP" because the time format is already implicit from the data type.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 66.66667% with 18 lines in your changes are missing coverage. Please review.

Project coverage is 62.00%. Comparing base (59551e4) to head (fecfb79). Report is 212 commits behind head on master.

Files	Patch %	Lines
...roker/routing/segmentpruner/TimeSegmentPruner.java	47.05%	9 Missing and 9 partials :warning:

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #12789      +/-   ##
============================================
+ Coverage     61.75%   62.00%   +0.25%     
+ Complexity      207      198       -9     
============================================
  Files          2436     2462      +26     
  Lines        133233   134797    +1564     
  Branches      20636    20831     +195     
============================================
+ Hits          82274    83584    +1310     
- Misses        44911    45066     +155     
- Partials       6048     6147      +99     

Flag	Coverage Δ
custom-integration1	<0.01% <0.00%> (-0.01%)	:arrow_down:
integration	<0.01% <0.00%> (-0.01%)	:arrow_down:
integration1	<0.01% <0.00%> (-0.01%)	:arrow_down:
integration2	0.00% <0.00%> (ø)
java-11	61.96% <66.66%> (+0.25%)	:arrow_up:
java-21	61.88% <66.66%> (+0.26%)	:arrow_up:
skip-bytebuffers-false	61.98% <66.66%> (+0.23%)	:arrow_up:
skip-bytebuffers-true	61.86% <66.66%> (+34.14%)	:arrow_up:
temurin	62.00% <66.66%> (+0.25%)	:arrow_up:
unittests	62.00% <66.66%> (+0.25%)	:arrow_up:
unittests1	46.71% <100.00%> (-0.18%)	:arrow_down:
unittests2	28.00% <51.85%> (+0.27%)	:arrow_up:

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