RFR: JDK-8295236: Update JavaDoc in javafx.geometry.Point3D [v4]

[Douglas Held]

On Thu, 13 Oct 2022 14:16:23 GMT, Nir Lisker <nlisker at openjdk.org> wrote:

>> Douglas Held has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Update Point3D.java
>>   
>>   Per review
>
> Changes requested by nlisker (Reviewer).

Tagged @nlisker to validate the code tags are included appropriately.

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PR: https://git.openjdk.org/jfx/pull/913