Fix message order with insertion method

Fixes #168

src/main/java/envoy/client/data/Chat.java

@@ -93,6 +93,20 @@ public final class Chat implements Serializable {
 	 */
 	public boolean isUnread() { return !messages.isEmpty() && messages.get(messages.size() - 1).getStatus() != MessageStatus.READ; }
 
+	/**
+	 * Inserts a message at the correct place according to its creation date.
+	 * 
+	 * @param message the message to insert
+	 * @since Envoy Client v0.1-beta
+	 */
+	public void insert(Message message) {
+		for (int i = messages.size() - 1; i >= 0; --i)
+			if (message.getCreationDate().isAfter(messages.get(i).getCreationDate())) {
+				messages.add(i + 1, message);
+				break;
+			}
+	}
+
 	/**
 	 * @return all messages in the current chat
 	 * @since Envoy Client v0.1-beta

src/main/java/envoy/client/ui/controller/ChatScene.java

@@ -101,7 +101,7 @@ public final class ChatScene {
 		eventBus.register(MessageCreationEvent.class, e -> {
 			final var message = e.get();
 			localDB.getChat(message.getSenderID()).ifPresent(chat -> {
-				chat.getMessages().add(message);
+				chat.insert(message);
 
 				if (chat.equals(currentChat)) {
 					try {

src/main/java/envoy/client/ui/controller/LoginScene.java

@@ -151,8 +151,7 @@ public final class LoginScene {
 				loadChatScene();
 			}
 		} catch (IOException | InterruptedException | TimeoutException e) {
-			logger.log(Level.WARNING, "Could not connect to server: ", e);
-			logger.log(Level.FINER, "Attempting offline mode...");
+			logger.log(Level.INFO, "Could not connect to server. Entering offline mode...");
 			attemptOfflineMode(credentials);
 		}
 	}