... by changing the resolution for the `WindowItem` to traverse the
item tree from the current item, instead of going to the window.
This doesn't quite fix#4298 because `rem` resolution is still missing.
That requires the built-in default font size function to be fixed as
well, which is non-trivial.
cc #4298
We can't just do `s/#\[no_mangle]/#[unsafe(no_mangle)]/g`
because the version of cbingen we use doesn't understand the unsafe
attribute yet.
Part of #7998
Updated the version from 1.1 to 1.2
Renamed the header to "Slint Royalty-free Desktop, Mobile, and Web Applications License"
Added definition of "Mobile Application" and grant of right
Moved "Limitations" to 3rd section and "License Conditions - Attributions" to 2nd section
Added flexibility to choose between showing "MadeWithSlint" as a dialog/splash screen or on a public webpage
Moved the para on copyright notices to section under "Limitations"
On android, the handle is the same as the cursor color and the cursor
color is usually the "accent" color.
We can't know the accent color from the native code, but we know the
selection color which is the accent color with a lesser opacity.
