Macos 15.1 -> egui::containers::Window corner resize cursors not working anymore

[voidburn]

I just noticed that the corner resize cursors are not working anymore, due to Winit failing to apply them:

2024-11-12T08:54:54.250197Z  WARN winit::platform_impl::macos::cursor: cursor `_windowResizeNorthWestSouthEastCursor` appears to be invalid
2024-11-12T08:54:56.147527Z  WARN winit::platform_impl::macos::cursor: cursor `_windowResizeNorthEastSouthWestCursor` appears to be invalid
2024-11-12T08:54:57.939501Z  WARN winit::platform_impl::macos::cursor: cursor `_windowResizeNorthWestSouthEastCursor` appears to be invalid
2024-11-12T08:54:59.009264Z  WARN winit::platform_impl::macos::cursor: cursor `_windowResizeNorthEastSouthWestCursor` appears to be invalid

Upon researching this I came across the following:
Winit Issue (stale): rust-windowing/winit#3724
Macos Related discussion: https://stackoverflow.com/questions/10733228/native-osx-lion-resize-cursor-for-custom-nswindow-or-nsview/46635398#46635398

From the above it looks like Winit was leveraging undocumented cursors that have now been removed, with direct impact on Egui via Winit's lack of proactive interest in the issue. The current situation is that windows in Egui, on Macos (~ >= 14.5) do not render corner resize cursors anymore.

Before opening an issue I'd like to see what people think about the problem, and what the best course of action could be to restore this functionality.