Fix JSAssemble tool to generate the output file properly

[gouniLee]

Checklist

• [ ] At least one test case is included for this feature or bug fix.
• [ ] ReleaseNotes has added or is not needed.
• [ ] This PR has passed all of the test cases on Nodejs and Chrome Browser.
• [ ] This PR has passed all of the test cases on QT/QML.
• [ ] This is an API breaking change.
• [ ] Requires a major version change.

Issue Resolved / Feature Added

• Fix the JSAssemble tool
  • Regarding the Region data, the should be generate should be with und_ . because the loader look looking for that
  • e.g) ilib.data.localeinfo_und_IR , but curently it generates ilib.data.localeinfo_IR
• Added assemble.standard.flutter target to generate ilib-standard-flutter.js file
  • Choose some features manually (Date/Time Format, NumberFormat, LocacleInfo.. etc) with webOS locales

Resolution

Links

[gouniLee]

Let's wait to merge this one until your investigation is further.

Yes, We can leave it until the solution is fixed.

[gouniLee]

Closing this PR. To replace the JSAssemble tool, the code has been updated here instead: https://github.com/iLib-js/ilib-assemble.