Use capacity for default value computation for doubles

Author: FlorentinD

core/src/main/java/org/neo4j/gds/core/loading/nodeproperties/DoubleNodePropertiesBuilder.java

@@ -120,7 +120,7 @@ public DoubleNodePropertyValues build(long size, PartialIdMap idMap, long highes
 
         var propertyValues = propertiesByMappedIdsBuilder.build();
 
-        var maybeMaxValue = size > 0
+        var maybeMaxValue = propertyValues.capacity() > 0
             ? OptionalDouble.of((double) MAX_VALUE.getVolatile(DoubleNodePropertiesBuilder.this))
             : OptionalDouble.empty();