RFR: 8178368: Right and Center alignment of text field works incorrectly [v3]

[Andy Goryachev]

On Thu, 5 Jan 2023 09:49:41 GMT, Karthik P K <kpk at openjdk.org> wrote:

>> When Text width was more than TextField width, the logic to update `textTranslateX` in `updateCaretOff` method was causing the issue of unexpected behavior for Right and Center alignment.
>> 
>> Made changes to update `textTranslateX` in `updateCaretOff` method only when text width is less than text field width i.e `delta` is positive. 
>> For both right and center alignments, the `textTranslateX` value calculated in `updateTextPos` method will be updated without any condition so that expected behavior is achieved for all scenarios of text width relative to text field width. 
>> 
>> Added unit tests to validate LEFT, CENTER and RIGHT alignments. RIGHT and CENTER alignment tests are expected to fail without the fix provided in this PR.
>
> Karthik P K has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update comments

see above

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Changes requested by angorya (Committer).

PR: https://git.openjdk.org/jfx/pull/980