Fix merge conflict on function name

[seankao-az]

Description

This PR is to fix a conflict that should've been solved before merging #646 .

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[codecov-commenter]

Codecov Report

Merging #664 (7960428) into main (9e2a9ff) will increase coverage by 31.92%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##               main     #664       +/-   ##
=============================================
+ Coverage     62.76%   94.69%   +31.92%     
- Complexity        0     2816     +2816     
=============================================
  Files            10      281      +271     
  Lines           658     7592     +6934     
  Branches        119      558      +439     
=============================================
+ Hits            413     7189     +6776     
- Misses          192      349      +157     
- Partials         53       54        +1     

Flag	Coverage Δ
query-workbench	62.76% <ø> (ø)
sql-engine	97.72% <ø> (?)

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

Impacted Files	Coverage Δ
...earch/response/agg/CompositeAggregationParser.java	100.00% <0.00%> (ø)
...ript/aggregation/dsl/AggregationBuilderHelper.java	100.00% <0.00%> (ø)
.../opensearch/sql/planner/physical/EvalOperator.java	100.00% <0.00%> (ø)
...pensearch/sql/planner/physical/WindowOperator.java	100.00% <0.00%> (ø)
...ql/planner/physical/collector/MetricCollector.java	100.00% <0.00%> (ø)
...rch/sql/opensearch/storage/script/ScriptUtils.java	100.00% <0.00%> (ø)
...g/opensearch/sql/data/model/AbstractExprValue.java	100.00% <0.00%> (ø)
.../org/opensearch/sql/planner/logical/LogicalAD.java	100.00% <0.00%> (ø)
...pensearch/sql/ppl/parser/AstExpressionBuilder.java	100.00% <0.00%> (ø)
...cript/aggregation/ExpressionAggregationScript.java	100.00% <0.00%> (ø)
... and 261 more

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[joshuali925]

LGTM

fixup for 9e2a9ff