Add a back button on the Settings Access page

[virtuarsys]

On the "Settings Access" page (password prompt), there is currently no way to return to the dashboard or notes without entering the password. In PWA mode, there is no browser back button available, which completely blocks the user if they change their mind or land on this page by mistake.

Add a button (e.g. "Back" or an arrow/close icon at the top of the card) allowing the user to leave the Settings Access page and return directly to the dashboard or the last viewed note, without having to enter the password.