IPC and peer fixes

src/danog/MadelineProto/Ipc/Runner/WebRunner.php

@@ -42,7 +42,7 @@ final class WebRunner extends RunnerAbstract
             }
             $rootDir = \dirname($rootDir).DIRECTORY_SEPARATOR;
             $uriDir = \dirname($uri);
-            if ($uriDir !== '/') {
+            if ($uriDir !== '/' && $uriDir !== '\\') {
                 $uriDir .= DIRECTORY_SEPARATOR;
             }
 

src/danog/MadelineProto/MTProtoTools/PeerHandler.php

@@ -211,7 +211,7 @@ trait PeerHandler
         }
     }
 
-    private function cacheChatUsername(int $id, array $chat): void
+    private function cacheChatUsername($id, array $chat): void
     {
         if ($id && !empty($chat['username'])) {
             $this->usernames[\strtolower($chat['username'])] = $id;