l10n_*: add translation for "Username"

We fixed login forms to use consistently "Username", some translation
did not have message for "Username", but only for "user name".
Add missing "Username" messages, with same translation as existing one
for "User name"

bt5/erp5_l10n_fr/MessageTranslationTemplateItem/fr/erp5_ui/translation.po

@@ -14371,6 +14371,9 @@ msgstr "Utile pour les lignes intermédiaires. Par défaut, les ligne de feuille
 msgid "User"
 msgstr "Utilisateur"
 
+msgid "Username"
+msgstr "Nom d'utilisateur"
+
 msgid "User ${user} does not exist."
 msgstr "L'utilisateur ${user} n'existe pas."
 

bt5/erp5_l10n_ja/MessageTranslationTemplateItem/ja/erp5_ui/translation.po

@@ -5574,6 +5574,9 @@ msgstr "アップロード用モジュール"
 msgid "User"
 msgstr "ユーザ"
 
+msgid "Username"
+msgstr "ユーザ名"
+
 msgid "User Account Workflow"
 msgstr "ユーザアカウントワークフロー"
 

bt5/erp5_l10n_pl_PL/MessageTranslationTemplateItem/pl/erp5_ui/translation.po

@@ -3099,6 +3099,9 @@ msgstr "Klucz"
 msgid "User"
 msgstr "Użytkownik"
 
+msgid "Username"
+msgstr "Nazwa użytkownika"
+
 msgid "User Login"
 msgstr "Identyfikator użytkownika"
 

bt5/erp5_l10n_pt-BR/MessageTranslationTemplateItem/pt-BR/erp5_ui/translation.po

@@ -6483,6 +6483,9 @@ msgstr "Utilize este estado para fechar a conta. Nenhuma transação pode ser de
 msgid "User"
 msgstr "Usuário"
 
+msgid "Username"
+msgstr "Usuário"
+
 msgid "User ${user} does not exist."
 msgstr "Usuário ${user} não existe."
 

bt5/erp5_l10n_zh/MessageTranslationTemplateItem/zh/erp5_ui/translation.po

@@ -8428,6 +8428,9 @@ msgstr "使用值来为销售机会过滤资源列表"
 msgid "User"
 msgstr "用户"
 
+msgid "Username"
+msgstr "用户名"
+
 msgid "User Account Workflow"
 msgstr "用户账户流程"