feat: add Norwegian Bokmål locale (#3073)

### Description

Locale was requested on Weblate.

legacy/application/assets.json

@@ -150,6 +150,7 @@
   "js/plupload/i18n/it_IT.js": "d54d63ce65b652322b9411d545223a20",
   "js/plupload/i18n/ja_JP.js": "35ffcfa1681e2ffef02fe085ea041436",
   "js/plupload/i18n/ko_KR.js": "16f238d8f3bc779345f5e9d16a3471a2",
+  "js/plupload/i18n/nb_NO.js": "c23d8392d1f570b24a2bfe713e52d8b0",
   "js/plupload/i18n/pl_PL.js": "5a32f95c5a79b846d3fc0388469beb40",
   "js/plupload/i18n/pt_BR.js": "049e0eade66ed92564e1468051e70167",
   "js/plupload/i18n/ru_RU.js": "a4ede8ec9bd8f1d703d55bc135453042",

legacy/application/common/LocaleHelper.php

@@ -98,6 +98,7 @@ class Application_Common_LocaleHelper
             'mt' => _('Maltese'),
             'my' => _('Burmese'),
             'na' => _('Nauru'),
+            'nb' => _('Norwegian Bokmål'),
             'ne' => _('Nepali'),
             'nl' => _('Dutch'),
             'no' => _('Norwegian'),

legacy/application/models/Locale.php

@@ -19,6 +19,7 @@ final class Application_Model_Locale
         'it_IT' => 'Italiano',
         'ja_JP' => '日本語',
         'ko_KR' => '한국어',
+        'nb_NO' => 'Norwegian Bokmål (Norway)',
         // 'nl_NL' => '',
         'pl_PL' => 'Polski',
         'pt_BR' => 'Português (Brasil)',