The following query

```
row  a = \"a\", b = 1 | stats  e = min(b) by a | dissect a \"%{e}\" | mv_expand e
```


throws an IndexOutOfBoundsException when building the layout for MV_EXPAND.


x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/planner/LocalExecutionPlanner.java
import org.elasticsearch.tasks.CancellableTask;
import org.elasticsearch.xpack.esql.EsqlIllegalArgumentException;
import org.elasticsearch.xpack.esql.enrich.EnrichLookupOperator;
import org.elasticsearch.xpack.esql.enrich.EnrichLookupService;
import org.elasticsearch.xpack.esql.evaluator.EvalMapper;
import org.elasticsearch.xpack.esql.evaluator.command.GrokEvaluatorExtracter;
import org.elasticsearch.xpack.esql.plan.logical.local.LocalSupplier;
import org.elasticsearch.xpack.esql.plan.physical.AggregateExec;
import org.elasticsearch.xpack.esql.plan.physical.DissectExec;
import org.elasticsearch.xpack.esql.plan.physical.EnrichExec;
import org.elasticsearch.xpack.esql.plan.physical.EsQueryExec;
import org.elasticsearch.xpack.esql.plan.physical.EsStatsQueryExec;
import org.elasticsearch.xpack.esql.plan.physical.EvalExec;
import org.elasticsearch.xpack.esql.plan.physical.ExchangeExec;
import org.elasticsearch.xpack.esql.plan.physical.ExchangeSinkExec;
import org.elasticsearch.xpack.esql.plan.physical.ExchangeSourceExec;
import org.elasticsearch.xpack.esql.plan.physical.FieldExtractExec;
import org.elasticsearch.xpack.esql.plan.physical.FilterExec;
import org.elasticsearch.xpack.esql.plan.physical.GrokExec;
import org.elasticsearch.xpack.esql.plan.physical.LimitExec;
import org.elasticsearch.xpack.esql.plan.physical.LocalSourceExec;
import org.elasticsearch.xpack.esql.plan.physical.MvExpandExec;
import org.elasticsearch.xpack.esql.plan.physical.OutputExec;
import org.elasticsearch.xpack.esql.plan.physical.PhysicalPlan;
import org.elasticsearch.xpack.esql.plan.physical.ProjectExec;
import org.elasticsearch.xpack.esql.plan.physical.RowExec;
import org.elasticsearch.xpack.esql.plan.physical.ShowExec;
import org.elasticsearch.xpack.esql.plan.physical.TopNExec;
import org.elasticsearch.xpack.esql.plugin.QueryPragmas;
import org.elasticsearch.xpack.esql.session.EsqlConfiguration;