Update parsing message to show @ sign

Signed-off-by: Mario Danic <mario@lovelyhq.com>

app/src/main/java/com/nextcloud/talk/models/json/chat/ChatMessage.java

@@ -114,7 +114,8 @@ public class ChatMessage implements IMessage {
             for (String key : messageParameters.keySet()) {
                 HashMap<String, String> individualHashMap = messageParameters.get(key);
                 if (individualHashMap.get("type").equals("user")) {
-                    message = message.replaceAll("\\{" + key + "\\}", messageParameters.get(key).get("name"));
+                    message = message.replaceAll("\\{" + key + "\\}", "@" +
+                            messageParameters.get(key).get("name"));
                 }
             }
         }