Fix @all mentions

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

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

@@ -28,7 +28,7 @@ public class ChatUtils {
         if (messageParameters != null && messageParameters.size() > 0) {
             for (String key : messageParameters.keySet()) {
                 HashMap<String, String> individualHashMap = messageParameters.get(key);
-                if (individualHashMap.get("type").equals("user") || individualHashMap.get("type").equals("guest")) {
+                if (individualHashMap.get("type").equals("user") || individualHashMap.get("type").equals("guest") || individualHashMap.get("type").equals("call")) {
                     message = message.replaceAll("\\{" + key + "\\}", "@" +
                             messageParameters.get(key).get("name"));
                 } else if (individualHashMap.get("type").equals("file")) {