UI Load time Improvement API Fixes #13278

[deepthi912]

https://github.com/apache/pinot/issues/13278 https://docs.google.com/document/d/1rsDF6Ky4dZAtblPUIQXh8bQDkVMYbF4sU2Hci--7K-U/edit?pli=1

This PR has all API changes to improve UI load times and 2 UI fixes integrated with the APIs. UI changes of the below points yet to be addressed to validate overall load time improvement.

Peding and upcoming Fix:

1. /instances and /LIVEINSTANCES usage is not reduced to (8 times, 4 times) to 1 yet on UI side.
2. Table Status and Segment statuses (already added) to be linked with UI to remove dependency on below end points.

• /tables/{tableName}/idealstate
• /tables/{tableName}/externalview

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 40.00000% with 60 lines in your changes missing coverage. Please review.

Project coverage is 57.56%. Comparing base (59551e4) to head (b16c244). Report is 957 commits behind head on master.

Files with missing lines	Patch %	Lines
...ller/api/resources/PinotSchemaRestletResource.java	0.00%	15 Missing :warning:
...ler/api/resources/PinotSegmentRestletResource.java	0.00%	14 Missing :warning:
...che/pinot/controller/api/resources/TableViews.java	62.85%	11 Missing and 2 partials :warning:
...ntroller/helix/core/PinotHelixResourceManager.java	0.00%	11 Missing :warning:
...ache/pinot/controller/api/resources/TableSize.java	0.00%	4 Missing and 1 partial :warning:
...roller/api/resources/PinotTaskRestletResource.java	0.00%	1 Missing :warning:
...va/org/apache/pinot/spi/utils/CommonConstants.java	0.00%	1 Missing :warning:

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #13296      +/-   ##
============================================
- Coverage     61.75%   57.56%   -4.19%     
+ Complexity      207      197      -10     
============================================
  Files          2436     2586     +150     
  Lines        133233   142724    +9491     
  Branches      20636    22149    +1513     
============================================
- Hits          82274    82158     -116     
- Misses        44911    54064    +9153     
- Partials       6048     6502     +454     

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	57.51% <40.00%> (-4.20%)	:arrow_down:
java-21	57.45% <40.00%> (-4.18%)	:arrow_down:
skip-bytebuffers-false	57.55% <40.00%> (-4.20%)	:arrow_down:
skip-bytebuffers-true	57.42% <40.00%> (+29.69%)	:arrow_up:
temurin	57.56% <40.00%> (-4.19%)	:arrow_down:
unittests	57.56% <40.00%> (-4.19%)	:arrow_down:
unittests1	40.22% <92.30%> (-6.67%)	:arrow_down:
unittests2	27.88% <28.00%> (+0.15%)	:arrow_up:

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