Finds the minimum value of a property.
A reified version of this method is also available as an extension function,
io.realm.query.min to access it.
a RealmScalarQuery returning the minimum value for the given property represented as a T. If no objects exist or they all have
null as the value for the given property,
null will be returned by the query. Otherwise, the minimum value is returned. When determining the minimum value, objects with
null values are ignored.