Integrated: JDK-8307807 Replace use of System.getProperty("os.name") with PlatformUtil calls

[Carl Döbbelin]

On Wed, 10 May 2023 18:47:16 GMT, Carl Döbbelin <duke at openjdk.org> wrote:

> Replaced querying of `System.getProperty("os.name")` to check for OS with the use of the methods provided by `PlatformUtils`

This pull request has now been integrated.

Changeset: 70953643
Author:    Carl Döbbelin <carl.carlec at gmail.com>
Committer: Marius Hanl <mhanl at openjdk.org>
URL:       https://git.openjdk.org/jfx/commit/70953643a9dc05c76924fc4c602ee39038d71295
Stats:     45 lines in 8 files changed: 10 ins; 13 del; 22 mod

8307807: Replace use of System.getProperty("os.name") with PlatformUtil calls

Reviewed-by: lkostyra, angorya, mhanl

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PR: https://git.openjdk.org/jfx/pull/1132