fix: Support scalar inputs for datetime expressions when constant folding is disabled #6867

Job	Run time
Lint	40s
Build Native Library (macOS)	18m 27s
macos-14/Spark 3.4, JDK 11, Scala 2.12 [fuzz]	30m 44s
macos-14/Spark 3.4, JDK 11, Scala 2.12 [exec]	21m 38s
macos-14/Spark 3.5, JDK 17, Scala 2.13 [csv]	5m 46s
macos-14/Spark 3.4, JDK 11, Scala 2.12 [shuffle]	29m 38s
macos-14/Spark 3.5, JDK 17, Scala 2.13 [shuffle]	27m 40s
macos-14/Spark 3.5, JDK 17, Scala 2.13 [expressions]	21m 38s
macos-14/Spark 3.4, JDK 11, Scala 2.12 [sql]	6m 3s
macos-14/Spark 3.5, JDK 17, Scala 2.13 [parquet]	9m 29s
macos-14/Spark 3.4, JDK 11, Scala 2.12 [csv]	6m 32s
macos-14/Spark 4.0, JDK 17, Scala 2.13 [shuffle]	20m 8s
macos-14/Spark 4.0, JDK 17, Scala 2.13 [parquet]	12m 19s
macos-14/Spark 3.4, JDK 11, Scala 2.12 [parquet]	11m 15s
macos-14/Spark 3.5, JDK 17, Scala 2.13 [sql]	6m 39s
macos-14/Spark 3.5, JDK 17, Scala 2.13 [exec]	19m 27s
macos-14/Spark 4.0, JDK 17, Scala 2.13 [csv]	5m 26s
macos-14/Spark 4.0, JDK 17, Scala 2.13 [exec]	25m 59s
macos-14/Spark 3.4, JDK 11, Scala 2.12 [expressions]	20m 41s
macos-14/Spark 4.0, JDK 17, Scala 2.13 [sql]	6m 38s
macos-14/Spark 4.0, JDK 17, Scala 2.13 [fuzz]	19m 21s
macos-14/Spark 4.0, JDK 17, Scala 2.13 [expressions]	15m 1s
macos-14/Spark 3.5, JDK 17, Scala 2.13 [fuzz]	21m 26s
	6h 2m 35s

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