MQTT: fix text object format

src/main.cpp

@@ -264,6 +264,8 @@ void loop()
         mqtt.publish(FLIPDOT_AVAILABILITY_TOPIC, "available");
 
         publishHomeAssistantDiscovery();
+
+        publishClose();
       }
     }
   }
@@ -450,25 +452,6 @@ void mqttCallback(char *topic, unsigned char *message, unsigned int length)
   if (ToppicString == FLIPDOT_TEXT_TOPIC)
   {
     Serial.println("Text topic received: " + MessageString);
-    JsonDocument doc;
-    if (deserializeJson(doc, (const char *)message, length) == DeserializationError::Ok)
-    {
-      MessageString = doc["value"] | String("none"); // the pipe operand tells the default value, if "value" is not existing
-
-      if ((MessageString != "none"))
-      {
-        printText(MessageString);
-      }
-      else
-      {
-        Serial.print(FLIPDOT_TEXT_TOPIC);
-        Serial.println(" has no [\"value\"]!");
-      }
-    }
-    else
-    {
-      Serial.print(FLIPDOT_TEXT_TOPIC);
-      Serial.println(" is no json!");
-    }
+    printText(MessageString);
   }
 }