[I18N][French]: Incorrect sort order in File Tree area.

[julieyuan]

[Steps]:

1. Launch Brackets.
2. Create several files with different names including local characters in their names. Such as: àààgdg,
   assfd, edfgh, ééésdsf etc.
3. Open these files and make them show in Working Files area.

[Result]:
These files are not sorted correctly by their names in File Tree area in French locale.
Current order:
assfd
edfgh
àààgdg
ééésdsf

[Expected]:
They should be sorted by their names correctly in File Tree area in French locale.
Correct order:
assfd
àààgdg
edfgh
ééésdsf

ENV: MAC 10.8 French
Build: 0.27.0.8201

Please refer to screenshot for details:

[njx]

Reviewed. To @jasonsanjose, medium priority.

[peterflynn]

Reviewed - related to #4409. Move both to backlog.

[peterflynn]

Removing @jasonsanjose from assignee now that it's MTB.

[RaymondLim]

Reopen and FBNC to @julieyuan

[julieyuan]

Thanks. It is fixed in build 0.28.0.8416. So closed it. Please refer to snapshot for details: