Rename proto: DATASET -> DATAFRAME

connector/connect/common/src/main/protobuf/spark/connect/base.proto

@@ -826,7 +826,7 @@ message FetchErrorDetailsResponse {
     // The type of this query context.
     enum ContextType {
       SQL = 0;
-      DATASET = 1;
+      DATAFRAME = 1;
     }
     ContextType context_type = 10;
 

connector/connect/common/src/main/scala/org/apache/spark/sql/connect/client/GrpcExceptionConverter.scala

@@ -324,7 +324,7 @@ private[client] object GrpcExceptionConverter {
     val queryContext = error.getSparkThrowable.getQueryContextsList.asScala.map { queryCtx =>
       new QueryContext {
         override def contextType(): QueryContextType = queryCtx.getContextType match {
-          case FetchErrorDetailsResponse.QueryContext.ContextType.DATASET =>
+          case FetchErrorDetailsResponse.QueryContext.ContextType.DATAFRAME =>
             QueryContextType.DataFrame
           case _ => QueryContextType.SQL
         }