[Bug] ArrayIndexOutOfBoundsException when insert data into partitioned table by hive engine on mr.

### Search before asking

- [X] I searched in the [issues](https://github.com/apache/paimon/issues) and found nothing similar.

### Paimon version

Paimon 0.7
Hive 3.1.3 (On MR)

### Compute Engine

Hive

### Minimal reproduce step

1. create partitioned table
```
CREATE TABLE mydb.my_tbl (
`label` STRING,
`source` STRING,
`sql_id` STRING,
`score_type` STRING,
`score` INT,
`etc` STRING
) PARTITIONED BY (
`run_time` DATE
)
STORED BY 'org.apache.paimon.hive.PaimonStorageHandler'
LOCATION 'oss://path/to/table'
TBLPROPERTIES (
'primary-key' = 'label,source,score_type,run_time'
)
;
```

2. insert data
```
INSERT INTO data_valley.mark_source_stats_test PARTITION(run_time='1970-01-01') VALUES(
'contact', 'test', 'V0.1', '数量分', 1, 'common'
);
```

3. Exception stack
```
Error: java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing writable (null)
at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:204)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
at org.apache.hadoop.hive.ql.exec.mr.ExecMapRunner.run(ExecMapRunner.java:37)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:465)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:349)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:174)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1730)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:168)
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing writable (null)
at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:568)
at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:195)
... 9 more
Caused by: java.lang.RuntimeException: java.lang.ArrayIndexOutOfBoundsException: 6
at org.apache.paimon.hive.mapred.PaimonRecordWriter.write(PaimonRecordWriter.java:70)
at org.apache.hadoop.hive.ql.exec.FileSinkOperator.process(FileSinkOperator.java:1003)
at org.apache.hadoop.hive.ql.exec.Operator.baseForward(Operator.java:995)
at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:941)
at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:928)
at org.apache.hadoop.hive.ql.exec.UDTFOperator.forwardUDTFOutput(UDTFOperator.java:133)
at org.apache.hadoop.hive.ql.udf.generic.UDTFCollector.collect(UDTFCollector.java:45)
at org.apache.hadoop.hive.ql.udf.generic.GenericUDTF.forward(GenericUDTF.java:110)
at org.apache.hadoop.hive.ql.udf.generic.GenericUDTFInline.process(GenericUDTFInline.java:64)
at org.apache.hadoop.hive.ql.exec.UDTFOperator.process(UDTFOperator.java:116)
at org.apache.hadoop.hive.ql.exec.Operator.baseForward(Operator.java:995)
at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:941)
at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:928)
at org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:95)
at org.apache.hadoop.hive.ql.exec.Operator.baseForward(Operator.java:995)
at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:941)
at org.apache.hadoop.hive.ql.exec.TableScanOperator.process(TableScanOperator.java:125)
at org.apache.hadoop.hive.ql.exec.MapOperator$MapOpCtx.forward(MapOperator.java:153)
at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:555)
... 10 more
Caused by: java.lang.ArrayIndexOutOfBoundsException: 6
at org.apache.paimon.data.GenericRow.isNullAt(GenericRow.java:131)
at Projection$41.apply(Unknown Source)
at org.apache.paimon.table.sink.RowPartitionKeyExtractor.partition(RowPartitionKeyExtractor.java:44)
at org.apache.paimon.table.sink.RowKeyExtractor.partition(RowKeyExtractor.java:57)
at org.apache.paimon.table.sink.TableWriteImpl.toSinkRecord(TableWriteImpl.java:147)
at org.apache.paimon.table.sink.TableWriteImpl.writeAndReturn(TableWriteImpl.java:125)
at org.apache.paimon.table.sink.TableWriteImpl.write(TableWriteImpl.java:116)
at org.apache.paimon.hive.mapred.PaimonRecordWriter.write(PaimonRecordWriter.java:68)
```

### What doesn't meet your expectations?

insert data successfully.

### Anything else?

_No response_

### Are you willing to submit a PR?

- [ ] I'm willing to submit a PR!

Start with org.apache.paimon.hive.mapred.PaimonRecordWriter.java and RowPartitionKeyExtractor.java, following the failing partitioned-table write shown in the stack trace. Reproduce the Hive 3.1.3 MapReduce INSERT using the provided table and partition definition. Done means the INSERT completes successfully without ArrayIndexOutOfBoundsException.

Written by the indexing model from the issue text.