fix: return cors anno as nil if port is 443.

[lingdie]

🤖[deprecated] Generated by Copilot at 19e6364

Summary

🛠️🌐🚪

Improved terminal controller logic and error handling. Modified getPort function to avoid using reserved ports for terminal connections in controllers/terminal/controllers/terminal_controller.go.

getPort returns
empty string for some ports
avoiding conflicts

Walkthrough

• Return empty port for terminal if it is empty, 80 or 443 to avoid conflicts with HTTP and HTTPS protocols (link)

[sealos-ci-robot]

🤖 Generated by lychee action

Summary

Status	Count
🔍 Total	994
✅ Successful	321
⏳ Timeouts	0
🔀 Redirected	0
👻 Excluded	672
❓ Unknown	0
🚫 Errors	0

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[sweep-ai]

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• Apply: All new business logic should have corresponding unit tests.
• Apply: Refactor large functions to be more modular.
• Apply: Add docstrings to all functions and file headers.