[SPARK-48792][SQL] Fix regression for INSERT with partial column list to a table with char/varchar

[yaooqinn]

What changes were proposed in this pull request?

#41262 introduced a regression by applying literals with char/varchar type in query output for table insertions, see

https://github.com/apache/spark/pull/41262/files#diff-6e331e8f1c67b5920fb46263b6e582ec6e6a253ee45543559c9692a72a1a40ecR187-R188

This causes bugs

24/07/03 16:29:01 ERROR Executor: Exception in task 0.0 in stage 0.0 (TID 0)
org.apache.spark.SparkException: [INTERNAL_ERROR] Unsupported data type VarcharType(64). SQLSTATE: XX000
	at org.apache.spark.SparkException$.internalError(SparkException.scala:92)
	at org.apache.spark.SparkException$.internalError(SparkException.scala:96)

org.apache.spark.SparkUnsupportedOperationException: VarcharType(64) is not supported yet.
	at org.apache.spark.sql.errors.QueryExecutionErrors$.dataTypeUnsupportedYetError(QueryExecutionErrors.scala:993)
	at org.apache.spark.sql.execution.datasources.orc.OrcSerializer.newConverter(OrcSerializer.scala:209)
	at org.apache.spark.sql.execution.datasources.orc.OrcSerializer.$anonfun$converters$2(OrcSerializer.scala:35)
	at scala.collection.immutable.List.map(List.scala:247)

Why are the changes needed?

Bugfix

Does this PR introduce any user-facing change?

no

How was this patch tested?

new tests

Was this patch authored or co-authored using generative AI tooling?

no

[yaooqinn]

Merged to master, thank you for the review @cloud-fan