New Crowdin translations (#5155)

* New translations ja-JP.yml (Chinese Simplified)

* New translations ja-JP.yml (Czech)

locales/cs-CZ.yml

@@ -454,9 +454,12 @@ common/views/components/messaging.vue:
   no-history: "Žádná historie"
   user: "Uživatel"
   group: "Skupina"
+  start-with-user: "Zahájit konverzaci s uživatelem"
+  start-with-group: "Zahájit skupinovou konverzaci"
 common/views/components/messaging-room.vue:
   new-message: "Máte novou zprávu"
 common/views/components/messaging-room.form.vue:
+  input-message-here: "Sem zadejte zprávu"
   send: "Odeslat"
   attach-from-local: "Přiložit soubory z Vašeho zařízení"
 common/views/components/messaging-room.message.vue:

locales/zh-CN.yml

@@ -1399,6 +1399,7 @@ admin/views/moderators.vue:
     title: "登录"
     moderator: "版主"
     type: "操作"
+    at: "日期和时间"
     info: "信息"
 admin/views/emoji.vue:
   add-emoji: