fix: correct the logic of bypassing infra endpoints in traffic middle…

…ware (#4704)

Signed-off-by: Frost Ming <me@frostming.com>

src/bentoml/_internal/server/http/traffic.py

@@ -42,7 +42,10 @@ async def __call__(
         if scope["type"] not in ("http", "websocket"):
             return await self.app(scope, receive, send)
 
-        if self._semaphore.locked() and scope["path"] not in self.BYPASS_PATHS:
+        if scope["path"] in self.BYPASS_PATHS:
+            return await self.app(scope, receive, send)
+
+        if self._semaphore.locked():
             resp = JSONResponse({"error": "Too many requests"}, status_code=429)
             await resp(scope, receive, send)
             return