[BUG] trace still not working same as #230

[xucoanthony]

Same situation with #230

Without attach to an exist cdp, it works.
With attach to an exist cdp, it dosen't work

anthony@AnthonydeMacBook-Pro ~ % playwright-cli -v   
0.1.8

Trace start and trace stop

anthony@AnthonydeMacBook-Pro ~ % playwright-cli tracing-stop         
### Result
Trace recording stopped.
- [Trace](.playwright-cli/traces/trace-1777016282054.trace)
- [Network log](.playwright-cli/traces/trace-1777016282054.network)
- [Resources](.playwright-cli/traces/resources)

Actually nothing generated, even the directory

anthony@AnthonydeMacBook-Pro ~ % cd .playwright-cli/traces          
cd: no such file or directory: .playwright-cli/traces