test: add mutex to clipboard copy & paste operation to reduce flaky (#11884)

tests/kit/package.json

@@ -15,6 +15,7 @@
     "@blocksuite/affine": "workspace:*",
     "@node-rs/argon2": "^2.0.2",
     "@playwright/test": "=1.51.1",
+    "@toeverything/infra": "workspace:*",
     "express": "^5.0.0",
     "http-proxy-middleware": "^3.0.3"
   },