Build

[MINOR][DOCS] Fix scaladoc for `FlatMapGroupsInArrowExec` and `FlatMa… #10523

Job	Run time
Run / Check changes	33s
Run / Base image build	1m 2s
Run / Build modules: core, unsafe, kvstore, avro, utils, network-common, network-shuffle, repl, launcher, examples, sketch, variant	19m 27s
Run / Protobuf breaking change detection and Python CodeGen check	0s
Run / Build modules: api, catalyst, hive-thriftserver	43m 46s
Run / Build modules: mllib-local, mllib, graphx	35m 5s
Run / Run Docker integration tests	0s
Run / Build modules: streaming, sql-kafka-0-10, streaming-kafka-0-10, streaming-kinesis-asl, kubernetes, hadoop-cloud, spark-ganglia-lgpl, protobuf, connect	1h 8m 41s
Run / Build modules: hive - slow tests	45m 40s
Run / Run Spark on Kubernetes Integration test	0s
Run / Build modules: hive - other tests	1h 12m 43s
Run / Build modules: sql - extended tests	1h 3m 36s
Run / Run TPC-DS queries with SF=1	0s
Run / Build modules: sql - slow tests	53m 0s
Run / Run Spark UI tests	0s
Run / Build modules: sql - other tests	1h 13m 16s
Run / Linters, licenses, and dependencies	30m 16s
Run / Build modules: pyspark-sql, pyspark-resource, pyspark-testing	53m 4s
Run / Build modules: pyspark-core, pyspark-errors, pyspark-streaming	3m 31s
Run / Build modules: sparkr	0s
Run / Documentation generation	0s
Run / Build modules: pyspark-mllib, pyspark-ml, pyspark-ml-connect	1h 15m 14s
Run / Build modules: pyspark-connect	55m 46s
	11h 34m 40s

Provide feedback