Option for disabling the "New code pasted" warning

[PaulRBerg]

Is your feature request related to a problem? Please describe.

I frequently copy-paste code from AI (Claude, ChatGPT) into Remix, and I always get this warning:

Describe the solution you'd like

Provide the ability to hide this warning through a boolean flag in the settings.

[Aniket-Engg]

Looks like we can add the checkbox for Do not show this again

cc: @LianaHus