refactor: use custom imap client

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

lib/Client/SessionState.php

@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KTXM\ProviderImap\Client;
+
+enum SessionState: string
+{
+    case Disconnected = 'disconnected';
+    case NotAuthenticated = 'not_authenticated';
+    case Authenticated = 'authenticated';
+    case Selected = 'selected';
+    case Logout = 'logout';
+}