Update package dependencies and remove console log in block_brush.js

- Downgraded socket.io-client to version 2.3.0.
- Updated various package versions in pnpm-lock.yaml for improved compatibility and performance.
- Removed a console log statement from block_brush.js to clean up the code.
- Added optional chaining in audioUtils.js to prevent potential errors when accessing stream tracks.

Author: kim jeong yong

package.json

@@ -62,7 +62,7 @@
         "postcss-flexbugs-fixes": "^4.1.0",
         "simplebar": "^5.3.0",
         "skmeans": "^0.11.3",
-        "socket.io-client": "^4.8.1",
+        "socket.io-client": "^2.3.0",
         "ua-parser-js": "^1.0.38",
         "uid": "^0.0.2",
         "webpack": "^5.85.0",