RFR: 8328301: Convert Applet test ManualHTMLDataFlavorTest.java to main program [v2]

[Phil Race]

On Sat, 16 Mar 2024 00:30:48 GMT, Harshitha Onkar <honkar at openjdk.org> wrote:

>> Phil Race has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   8328301
>
> test/jdk/java/awt/datatransfer/HTMLDataFlavors/ManualHTMLDataFlavorTest.java line 143:
> 
>> 141:         frame.add(new DropPane());
>> 142:         frame.pack();
>> 143:         return frame;
> 
> Changes looks good expect that when the the test is started and I switch to the browser window the drop target frame goes behind and becomes difficult to drag and drop to the Red panel.
> 
> Setting `frame.setAlwaysOnTop(true)` will ensure that the DnD panel is on top.

done

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PR Review Comment: https://git.openjdk.org/jdk/pull/18334#discussion_r1532636769