Add debug API for pauseless tables. Add pauselessFSM as an option in realtimeQuickStart

[9aman]

Instructions:

1. The PR has to be tagged with at least one of the following labels (*):
   1. feature
   2. bugfix
   3. performance
   4. ui
   5. backward-incompat
   6. release-notes (**)
2. Remove these instructions before publishing the PR.

(*) Other labels to consider:

• testing
• dependencies
• docker
• kubernetes
• observability
• security
• code-style
• extension-point
• refactor
• cleanup

(**) Use release-notes label for scenarios like:

• New configuration options
• Deprecation of configurations
• Signature changes to public methods/interfaces
• New plugins added or old plugins removed

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 32 lines in your changes missing coverage. Please review.

Project coverage is 63.69%. Comparing base (59551e4) to head (5f42d24).
Report is 1654 commits behind head on master.

Files with missing lines	Patch %	Lines
...ller/api/resources/PinotRealtimeTableResource.java	0.00%	32 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #14961      +/-   ##
============================================
+ Coverage     61.75%   63.69%   +1.94%     
- Complexity      207     1481    +1274     
============================================
  Files          2436     2712     +276     
  Lines        133233   152079   +18846     
  Branches      20636    23502    +2866     
============================================
+ Hits          82274    96864   +14590     
- Misses        44911    47929    +3018     
- Partials       6048     7286    +1238     

Flag	Coverage Δ
custom-integration1	100.00% <ø> (+99.99%)	⬆️
integration	100.00% <ø> (+99.99%)	⬆️
integration1	100.00% <ø> (+99.99%)	⬆️
integration2	0.00% <ø> (ø)
java-11	63.67% <0.00%> (+1.96%)	⬆️
java-21	63.54% <0.00%> (+1.92%)	⬆️
skip-bytebuffers-false	63.67% <0.00%> (+1.92%)	⬆️
skip-bytebuffers-true	63.54% <0.00%> (+35.81%)	⬆️
temurin	63.69% <0.00%> (+1.94%)	⬆️
unittests	63.68% <0.00%> (+1.94%)	⬆️
unittests1	56.24% <ø> (+9.35%)	⬆️
unittests2	34.00% <0.00%> (+6.27%)	⬆️

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