RFR: JDK-8328225: Convert ImageDecoratedDnD.html applet test to main [v2]

[Harshitha Onkar]

On Tue, 19 Mar 2024 18:11:57 GMT, Alexey Ivanov <aivanov at openjdk.org> wrote:

>> Case 1: A circle + anchor is seen (without a green window) when just Mouse is used to perform DnD.
>> Case 2:  A green window below the anchor + circle is seen when CTRL + Mouse is used to perform DnD. (I believe the green window, is the image they are referring to ?)
>> 
>> https://github.com/openjdk/jdk/assets/95945681/4ed2aa47-611c-4957-b930-b86732a95f76
>> 
>> https://github.com/openjdk/jdk/assets/95945681/d8990f71-e90f-4ee2-a7b2-ba5458fbd879
>
> You can see the image under the cursor. The image appears when you hover over AWT windows, Firefox window but the image disappears when you hover over Cygwin terminal window.
> 
> The image is the translucent blue rectangle with red circle.

@aivanov-jdk Updated the instructions to make it more clear. Can you please re-review?

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PR Review Comment: https://git.openjdk.org/jdk/pull/18315#discussion_r1531113359