RFR: JDK-8297449: Update JInternalFrame Metal Border code [v3]

[Harshitha Onkar]

On Tue, 29 Nov 2022 20:21:25 GMT, Alexey Ivanov <aivanov at openjdk.org> wrote:

>> Harshitha Onkar has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   added scaleFactor
>
> src/java.desktop/share/classes/javax/swing/plaf/metal/MetalBorders.java line 277:
> 
>> 275:                 at = g2d.getTransform();
>> 276:                 scaleFactor = at.getScaleX();
>> 277:                 oldColor = g2d.getColor();
> 
> Color wasn't preserved before [JDK-8015739](https://bugs.openjdk.org/browse/JDK-8015739).
> 
> Getting and setting the color doesn't require `Graphics2D`, so, if it's to be preserved, it should be preserved outside of `instanceof`.

@aivanov-jdk Updated the code. Removed color preservation code to match previous code (before [JDK-8015739](https://bugs.openjdk.org/browse/JDK-8015739) changes).

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PR: https://git.openjdk.org/jdk/pull/11305