[Translate] Add the missing translations for the thai locale.

[uatthaphon]

I have added the missing translations for the Thai as I mentioned in issue #1027.

[codecov]

Codecov Report

Merging #1041 into hotfix will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             hotfix    #1041   +/-   ##
=========================================
  Coverage     66.66%   66.66%           
  Complexity     1931     1931           
=========================================
  Files           162      162           
  Lines          6737     6737           
=========================================
  Hits           4491     4491           
  Misses         2246     2246

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[lcharette]

Thanks !