Fix IndexOutOfBoundException in filtered aggregation group-by

[Jackie-Jiang]

Currently it can throw IndexOutOfBoundException when there are more group-by expressions than filters.
Added a test to catch that

[codecov-commenter]

Codecov Report

Merging #11231 (124ceab) into master (e809b4e) will not change coverage.
The diff coverage is 0.00%.

@@           Coverage Diff           @@
##           master   #11231   +/-   ##
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  Coverage    0.11%    0.11%           
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  Files        2229     2229           
  Lines      119768   119769    +1     
  Branches    18126    18126           
=======================================
  Hits          137      137           
- Misses     119611   119612    +1     
  Partials       20       20           

Flag	Coverage Δ
integration1temurin11	0.00% <0.00%> (ø)
integration1temurin17	0.00% <0.00%> (ø)
integration1temurin20	0.00% <0.00%> (ø)
integration2temurin11	0.00% <0.00%> (ø)
integration2temurin20	0.00% <0.00%> (ø)
unittests1temurin11	0.00% <0.00%> (ø)
unittests1temurin17	?
unittests1temurin20	0.00% <0.00%> (ø)
unittests2temurin11	0.11% <0.00%> (ø)
unittests2temurin17	0.11% <0.00%> (ø)
unittests2temurin20	0.11% <0.00%> (ø)

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Files Changed	Coverage Δ
...t/core/operator/query/FilteredGroupByOperator.java	0.00% <0.00%> (ø)

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