https://github.com/benfrankel/pyri_tooltip/blob/a342aa87a8b02ddbcf96a5d1d122daba5f911f26/src/context.rs#L104C1-L104C56
This returns logical coordinates, but UI operates in physical coordinates (since Bevy 0.15). According to bevyengine/bevy#17907 (review), it's preferable to convert the cursor position to physical rather than convert the UI to logical.