fix: Use `makeCopy` to change relation in `FileSourceScanExec` #402

Job	Run time
macos-14(Silicon)/java 8-spark-3.2/java	32m 10s
ubuntu-latest/java 8-spark-3.4/rust	5m 22s
macos-14(Silicon)/java 17-spark-3.3/java	31m 56s
ubuntu-latest/java 8-spark-3.2/java	45m 27s
ubuntu-latest/java 8-spark-3.4/java	44m 18s
macos-14(Silicon)/java 8-spark-3.4/rust	4m 44s
ubuntu-latest/java 8-spark-3.3/java	47m 30s
ubuntu-latest/java 17-spark-3.4/rust	5m 28s
macos-14(Silicon)/java 8-spark-3.4/java	33m 34s
ubuntu-latest/java 11-spark-3.3/java	46m 12s
ubuntu-latest/java 17-spark-3.4/java	44m 32s
${{ matrix.os }}/java ${{ matrix.java_version }}-spark-${{ matrix.spark-version }}/${{ matrix.test-target }}	0s
macos-14(Silicon)/java 17-spark-3.4/rust	4m 11s
ubuntu-latest/java 17-spark-3.3/java	44m 38s
macos-14(Silicon)/java 17-spark-3.4/java	35m 50s
	7h 5m 52s

Provide feedback