[SPARK-40799][BUILD][CONNECT][FOLLOW-UP] Enforce scalafmt for Spark C…

…onnect module

### What changes were proposed in this pull request?

This PR run `scalafmt` in master branch to format scala files in Connect module which will fix Scala lint.

### Why are the changes needed?

Fix Scala lint.

### Does this PR introduce _any_ user-facing change?

No

### How was this patch tested?

UT

Closes apache#38290 from amaliujia/fix_lint_scala.

Authored-by: Rui Wang <rui.wang@databricks.com>
Signed-off-by: Hyukjin Kwon <gurwls223@apache.org>

connector/connect/src/main/scala/org/apache/spark/sql/connect/dsl/package.scala

@@ -46,15 +46,16 @@ package object dsl {
           .build()
 
       def struct(
-        attrs: proto.Expression.QualifiedAttribute*): proto.Expression.QualifiedAttribute = {
+          attrs: proto.Expression.QualifiedAttribute*): proto.Expression.QualifiedAttribute = {
         val structExpr = proto.DataType.Struct.newBuilder()
         for (attr <- attrs) {
           val structField = proto.DataType.StructField.newBuilder()
           structField.setName(attr.getName)
           structField.setType(attr.getType)
           structExpr.addFields(structField)
         }
-        proto.Expression.QualifiedAttribute.newBuilder()
+        proto.Expression.QualifiedAttribute
+          .newBuilder()
           .setName(s)
           .setType(proto.DataType.newBuilder().setStruct(structExpr))
           .build()
@@ -65,8 +66,9 @@ package object dsl {
         proto.DataType.newBuilder().setI32(proto.DataType.I32.newBuilder()).build())
 
       private def protoQualifiedAttrWithType(
-        dataType: proto.DataType): proto.Expression.QualifiedAttribute =
-        proto.Expression.QualifiedAttribute.newBuilder()
+          dataType: proto.DataType): proto.Expression.QualifiedAttribute =
+        proto.Expression.QualifiedAttribute
+          .newBuilder()
           .setName(s)
           .setType(dataType)
           .build()