RFR: 8263807: Button types of a DialogPane are set twice, returns a wrong button [v2]

[Marius Hanl]

On Tue, 6 Apr 2021 12:06:05 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> Marius Hanl has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   8263807: Code review changes
>
> modules/javafx.controls/src/test/java/test/javafx/scene/control/DialogPaneTest.java line 2:
> 
>> 1: /*
>> 2:  * Copyright (c) 2021, 2021, Oracle and/or its affiliates. All rights reserved.
> 
> You need to revert this change. There must be only a single year listed if the start year and last modified year are the same.

done

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PR: https://git.openjdk.java.net/jfx/pull/432