### Elasticsearch Version

main @ 4de2ffa2bcf9eba0b8d09fb5f13c217598d025ee

### Installed Plugins

_No response_

### Java Version

openjdk version "17.0.8" 2023-07-18

### OS Version

Ubuntu 23.04

### Problem Description

- `MvExpandOperator` is [leaving behind unclosed input blocks](https://github.com/elastic/elasticsearch/blob/4de2ffa2bcf9eba0b8d09fb5f13c217598d025ee/x-pack/plugin/esql/compute/src/test/java/org/elasticsearch/compute/operator/MvExpandOperatorTests.java#L137-L142). Should be closed by #100548
- `LimitOperator` is [leaving behind unclosed input blocks](https://github.com/elastic/elasticsearch/blob/4de2ffa2bcf9eba0b8d09fb5f13c217598d025ee/x-pack/plugin/esql/compute/src/test/java/org/elasticsearch/compute/operator/LimitOperatorTests.java#L100-L105). #100465
- `FilterOperator` is [leaving behind unclosed input blocks](https://github.com/elastic/elasticsearch/blob/4de2ffa2bcf9eba0b8d09fb5f13c217598d025ee/x-pack/plugin/esql/compute/src/test/java/org/elasticsearch/compute/operator/FilterOperatorTests.java#L128-L134). Should be closed by https://github.com/elastic/elasticsearch/pull/100465

### Steps to Reproduce

Remove the overridden `canLeak` implementation from `MvExpandOperatorTests`, `LimitOperatorTests` or `FilterOperatorTests` and run them.

### Logs (if relevant)

_No response_
x-pack/plugin/esql/compute/src/test/java/org/elasticsearch/compute/operator/MvExpandOperatorStatusTests.java
public void testToXContent() {
        assertThat(Strings.toString(simple()), equalTo(simpleToJson()));
    }
    @Override
    protected Writeable.Reader<MvExpandOperator.Status> instanceReader() {
        return MvExpandOperator.Status::new;
    }
    @Override
    public MvExpandOperator.Status createTestInstance() {
        return new MvExpandOperator.Status(randomNonNegativeInt(), randomNonNegativeInt());
    }
    @Override
    protected MvExpandOperator.Status mutateInstance(MvExpandOperator.Status instance) {
        switch (between(0, 1)) {
            case 0:
                return new MvExpandOperator.Status(
                    randomValueOtherThan(instance.pagesProcessed(), ESTestCase::randomNonNegativeInt),
                    instance.noops()
                );
            case 1:
                return new MvExpandOperator.Status(
                    instance.pagesProcessed(),
                    randomValueOtherThan(instance.noops(), ESTestCase::randomNonNegativeInt)
                );
            default:
                throw new UnsupportedOperationException();
        }
    }
}