fix: Fix wrong children expression order in IfExpr #543

Job	Run time
ubuntu-latest/java 8-spark-3.4/rust	2m 52s
ubuntu-latest/java 8-spark-3.4/java	2m 51s
macos-14(Silicon)/java 8-spark-3.2/java	2m 48s
ubuntu-latest/java 8-spark-3.2/java	2m 49s
macos-14(Silicon)/java 17-spark-3.3/java	2m 49s
macos-14(Silicon)/java 8-spark-3.4/rust	2m 57s
ubuntu-latest/java 8-spark-3.3/java	2m 48s
macos-14(Silicon)/java 8-spark-3.4/java	2m 47s
ubuntu-latest/java 17-spark-3.4/rust	2m 49s
ubuntu-latest/java 11-spark-3.3/java	2m 49s
macos-14(Silicon)/java 17-spark-3.4/rust	3m 0s
ubuntu-latest/java 17-spark-3.4/java	2m 49s
${{ matrix.os }}/java ${{ matrix.java_version }}-spark-${{ matrix.spark-version }}/${{ matrix.test-target }}	0s
ubuntu-latest/java 17-spark-3.3/java	2m 48s
macos-14(Silicon)/java 17-spark-3.4/java	2m 49s
	39m 45s

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