style: fix clang-format alignment and log allocation failure

Address CI clang-format check and CodeRabbit review feedback:
- Fix parameter alignment (one extra space)
- Log warning when response buffer allocation fails

(cherry picked from commit 3900ea1feb017c07bd5e38da0b471fe623ec506e)

lib/KOReaderSync/KOReaderSyncClient.cpp

@@ -47,6 +47,8 @@ esp_err_t httpEventHandler(esp_http_client_event_t* evt) {
       memcpy(buf->data + buf->len, evt->data, evt->data_len);
       buf->len += evt->data_len;
       buf->data[buf->len] = '\0';
+    } else {
+      LOG_ERR("KOSync", "Response buffer allocation failed (%d bytes)", evt->data_len);
     }
   }
   return ESP_OK;