Iterate over entity array copy for entity scheduler

patches/server/Rewrite-chunk-system.patch

@@ -3776,6 +3776,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +import org.jetbrains.annotations.Nullable;
 +import org.slf4j.Logger;
 +import java.util.ArrayList;
++import java.util.Arrays;
 +import java.util.Iterator;
 +import java.util.List;
 +import java.util.NoSuchElementException;
@@ -3939,6 +3940,10 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +        return new ArrayIterable<>(this.accessibleEntities.getRawData(), 0, this.accessibleEntities.size());
 +    }
 +
++    public Entity[] getAllCopy() {
++        return Arrays.copyOf(this.accessibleEntities.getRawData(), this.accessibleEntities.size(), Entity[].class);
++    }
++
 +    @Override
 +    public <U extends Entity> void get(final EntityTypeTest<Entity, U> filter, final AbortableIterationConsumer<U> action) {
 +        for (final Entity entity : this.entityById.values()) {