Update ScalarFunction annotation from name to names to support alias

[xiangfu0]

Description

#8236

Upgrade Notes

Does this PR prevent a zero down-time upgrade? (Assume upgrade order: Controller, Broker, Server, Minion)

• Yes (Please label as backward-incompat, and complete the section below on Release Notes)

Does this PR fix a zero-downtime upgrade introduced earlier?

• Yes (Please label this as backward-incompat, and complete the section below on Release Notes)

Does this PR otherwise need attention when creating release notes? Things to consider:

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

• Yes (Please label this PR as release-notes and complete the section on Release Notes)

Release Notes

Documentation

[codecov-commenter]

Codecov Report

Merging #8252 (50160a1) into master (a1d440b) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master    #8252      +/-   ##
============================================
- Coverage     70.77%   70.75%   -0.02%     
- Complexity     4241     4242       +1     
============================================
  Files          1629     1631       +2     
  Lines         85193    85281      +88     
  Branches      12825    12845      +20     
============================================
+ Hits          60292    60343      +51     
- Misses        20740    20775      +35     
- Partials       4161     4163       +2     

Flag	Coverage Δ
integration1	28.81% <100.00%> (-0.10%)	⬇️
integration2	27.52% <100.00%> (+<0.01%)	⬆️
unittests1	66.98% <100.00%> (+<0.01%)	⬆️
unittests2	14.13% <0.00%> (+0.03%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...apache/pinot/common/function/FunctionRegistry.java	93.93% <100.00%> (+6.84%)	⬆️
...nt/local/startree/v2/store/StarTreeDataSource.java	40.00% <0.00%> (-13.34%)	⬇️
...nction/DistinctCountBitmapAggregationFunction.java	47.66% <0.00%> (-10.89%)	⬇️
.../api/exception/ControllerApplicationException.java	66.66% <0.00%> (-6.67%)	⬇️
...ot/segment/local/startree/OffHeapStarTreeNode.java	72.22% <0.00%> (-5.56%)	⬇️
...ntroller/helix/core/minion/TaskMetricsEmitter.java	86.36% <0.00%> (-4.55%)	⬇️
...verter/stats/MutableNoDictionaryColStatistics.java	40.90% <0.00%> (-4.10%)	⬇️
...core/startree/operator/StarTreeFilterOperator.java	87.41% <0.00%> (-3.50%)	⬇️
.../loader/defaultcolumn/DefaultColumnStatistics.java	73.07% <0.00%> (-2.93%)	⬇️
...not/broker/broker/helix/ClusterChangeMediator.java	77.65% <0.00%> (-2.13%)	⬇️
... and 37 more

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