[SPARK-3925][SQL] Do not consider the ordering of qualifiers during comparison

The orderings should not be considered during the comparison between old qualifiers and new qualifiers.

Author: Liang-Chi Hsieh <viirya@gmail.com>

Closes #2783 from viirya/full_qualifier_comp and squashes the following commits:

89f652c [Liang-Chi Hsieh] modification for comment.
abb5762 [Liang-Chi Hsieh] More comprehensive comparison of qualifiers.

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/namedExpressions.scala

@@ -156,7 +156,7 @@ case class AttributeReference(name: String, dataType: DataType, nullable: Boolea
    * Returns a copy of this [[AttributeReference]] with new qualifiers.
    */
   override def withQualifiers(newQualifiers: Seq[String]) = {
-    if (newQualifiers == qualifiers) {
+    if (newQualifiers.toSet == qualifiers.toSet) {
       this
     } else {
       AttributeReference(name, dataType, nullable)(exprId, newQualifiers)