[Feature]: Reset to default settings for default model

[xiaoxiaolexlh]

Issue Checklist

• I understand that issues are meant for feedback and problem-solving, not for venting, and I will provide as much detail as possible to help resolve the issue.
• I have checked the pinned issues and searched through the existing open issues, closed issues, and discussions and did not find a similar suggestion.
• I confirm that I am here to ask questions and discuss issues, not to report bugs or request features.

Platform

Windows

Version

v1.6.5

Your Question

I have selected a model and now I want to go back to the state where no model is selected.

Context

No response

Additional Information

Priority

Low (Review when available)

[EurFelux]

Why do you need it?

[xiaoxiaolexlh]

Why do you need it?

For this kind of selection, I prefer to have a reset function.

[EurFelux]

OK, this is very simple.