Logout Button Fix (#1234)

## Description:
Fixes #1230 
Now after logout,button doesn't disappear

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

## Please put your Discord username so you can be contacted if a bug or
regression is found:
dovg

src/client/Main.ts

@@ -194,6 +194,7 @@ class Client {
         logOut();
         loginDiscordButton.disable = false;
         loginDiscordButton.translationKey = "main.login_discord";
+        loginDiscordButton.hidden = false;
         loginDiscordButton.addEventListener("click", discordLogin);
         logoutDiscordButton.hidden = true;
       });