[Tunnel] Add a hint for workers + websocket error

[cicku]

Documentation checklist

• The documentation style guide has been adhered to.

[deadlypants1973]

Hey @cicku , thank you for the PR. Is there context attached to this? Where did it come from?

[cicku]

From personal experience.

[hyperlint-ai]

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PR Change Summary

Enhanced documentation for troubleshooting tunnels by adding a new hint regarding Workers routes and websocket errors.

• Added a hint about overlapping Workers routes affecting tunnel hostname handling.
• Clarified the impact of websocket errors on tunnel connections.

Modified Files

• src/content/docs/cloudflare-one/connections/connect-networks/troubleshoot-tunnels/common-errors.mdx

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