### CI Link

https://gradle-enterprise.elastic.co/s/j3ajt4vzqybxs

### Repro line

gradlew ':x-pack:plugin:spatial:internalClusterTest' --tests "org.elasticsearch.xpack.spatial.search.GeoGridAggAndQueryConsistencyIT.testGeoShapeGeoHex" -Dtests.seed=67641D5B7DA4755B -Dtests.locale=en-IN -Dtests.timezone=Canada/Saskatchewan -Druntime.java=17 -Dtests.fips.enabled=true

### Does it reproduce?

No

### Applicable branches

main

### Failure history

_No response_

### Failure excerpt

The test in CI link above doesn't repro for me but I did run the test with multiple iterations. After around 250 of them, one failed for me:

```
REPRODUCE WITH: gradlew ':x-pack:plugin:spatial:internalClusterTest' --tests "org.elasticsearch.xpack.spatial.search.GeoGridAggAndQueryConsistencyIT.testGeoShapeGeoHex {seed=[3478FF74E8D66BB6:A2F98EBD906145BB]}" -Dtests.seed=3478FF74E8D66BB6 -Dtests.locale=sr-RS -Dtests.timezone=Europe/Luxembourg -Druntime.java=19

org.elasticsearch.xpack.spatial.search.GeoGridAggAndQueryConsistencyIT > testGeoShapeGeoHex {seed=[3478FF74E8D66BB6:A2F98EBD906145BB]} FAILED
    java.lang.AssertionError: Expected hits at precision 15
    Expected: <3L>
         but: was <4L>
        at __randomizedtesting.SeedInfo.seed([3478FF74E8D66BB6:A2F98EBD906145BB]:0)
        at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:18)
        at org.junit.Assert.assertThat(Assert.java:956)
        at org.elasticsearch.xpack.spatial.search.GeoGridAggAndQueryConsistencyIT.assertQuery(GeoGridAggAndQueryConsistencyIT.java:224)
        at org.elasticsearch.xpack.spatial.search.GeoGridAggAndQueryConsistencyIT.doTestGrid(GeoGridAggAndQueryConsistencyIT.java:215)
        at org.elasticsearch.xpack.spatial.search.GeoGridAggAndQueryConsistencyIT.doTestGeohexGrid(GeoGridAggAndQueryConsistencyIT.java:124)
        at org.elasticsearch.xpack.spatial.search.GeoGridAggAndQueryConsistencyIT.testGeoShapeGeoHex(GeoGridAggAndQueryConsistencyIT.java:92)
```
x-pack/plugin/spatial/src/test/java/org/elasticsearch/xpack/spatial/search/aggregations/bucket/geogrid/GeoHexVisitorTests.java
public void testPoint() throws IOException {
        doTestGeometry(GeoHexVisitorTests::getGeometryAsPoints, false);
    }