Replace brand name in existing translations

src/i18n/strings/ja.json

@@ -5,7 +5,7 @@
     "Custom Server Options": "カスタムサーバのオプション",
     "Dismiss": "やめる",
     "powered by Matrix": "powered by Matrix",
-    "Riot Desktop on %(platformName)s": "%(platformName)s向けデスクトップ版Riot",
+    "%(brand)s Desktop on %(platformName)s": "%(platformName)s向けデスクトップ版Riot",
     "You need to be using HTTPS to place a screen-sharing call.": "画面共有通話を行うにはHTTPS通信を使う必要があります。",
     "Decentralised, encrypted chat & collaboration powered by [matrix]": "[matrix] による、分散型で暗号化された会話とコラボレーション",
     "Chat with Riot Bot": "Riot Botと会話",
@@ -32,7 +32,7 @@
     "Download Completed": "ダウンロード完了",
     "Open": "開く",
     "Open user settings": "ユーザー設定を開く",
-    "Riot Desktop (%(platformName)s)": "Riotデスクトップ版(%(platformName)s)",
+    "%(brand)s Desktop (%(platformName)s)": "Riotデスクトップ版(%(platformName)s)",
     "Go to your browser to complete Sign In": "サインインを完了させるためにブラウザへ移動してください",
     "%(appName)s (%(browserName)s, %(osName)s)": "%(appName)s(%(browserName)s, %(osName)s)",
     "Unsupported browser": "サポートされていないブラウザ",