Drag drop position is off with canvas_items stretch mode

[seankarol]

Godot version

v4.0.alpha.custom_build [887d4bd]

System information

Windows 10, Vulkan, NVIDIA GeForce RTX 2070 SUPER

Issue description

The positions drag and drop is detecting other controls seems to be calculated wrong when using canvas_items stretch mode and a resized window.

Steps to reproduce

1. Set up two controls for drag and drop
2. Set window stretch mode in project settings to canvas_items
3. Resize window either resizing during runtime or setting window width/height override
4. Try to drag the controls onto each other
5. The position the controls detect each other for drag and drop is incorrect (off screen in MRP)

Minimal reproduction project

drag_drop_bug.zip

[Calinou]

Related to #54030.