Issue 7024 - Renamed az translation to az-latn in Microsoft Edge builds

packagerEdge.py

 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 import os
 import shutil
 from StringIO import StringIO
 import subprocess
 import tempfile
 from xml.etree import ElementTree
@@ skipping 111 matching lines @@
     if metadata.has_section('preprocess'):
         files.preprocess(metadata.options('preprocess'), {'needsExt': True})
 
     if metadata.has_section('import_locales'):
         packagerChrome.import_locales(params, files)
 
     # For some mysterious reasons manifoldjs fails with a server error
     # when building the development build and there is any translation
     # in az/messages.json for "name_devbuild", however, it works fine
     # if we use the more specific language code az-latn.
-    az_translation = files.pop('_locales/az/messages.json')
-    if az_translation:
+    az_translation = files.pop('_locales/az/messages.json', None)
+    if az_translation is not None:
         files['_locales/az-latn/messages.json'] = az_translation
 
     files['manifest.json'] = packagerChrome.createManifest(params, files)
 
     if devenv:
         packagerChrome.add_devenv_requirements(files, metadata, params)
 
     zipped = StringIO()
     files.zip(zipped)
 
@@ skipping 41 matching lines @@
         cmd = ['npm', 'run', '--silent', 'package-edge']
 
         subprocess.check_call(cmd, env=cmd_env, cwd=os.path.dirname(__file__))
 
         package = os.path.join(manifold_folder, 'package',
                                'edgeExtension.appx')
 
         shutil.copyfile(package, outfile)
     finally:
         shutil.rmtree(tmp_dir, ignore_errors=True)