Mouse not warp when `editors/3d/navigation/navigation_scheme` is set to touchpad

### Tested versions

reproducible in 4.5.1.stable

### System information

Godot v4.5.1.stable - Windows 11 (build 22631) - Multi-window, 1 monitor - OpenGL 3 (Compatibility) - NVIDIA GeForce RTX 3050 6GB Laptop GPU (NVIDIA; 32.0.15.8157) - 13th Gen Intel(R) Core(TM) i5-13420H (12 threads) - 15.63 GiB memory

### Issue description

When setting `editors/3d/navigation/navigation_scheme` to touvhpad the mouse not warp at the edge of 3DEditorViewport

https://github.com/user-attachments/assets/fc83fadf-e809-439b-a045-4c57786a4be3

Expected:

https://github.com/user-attachments/assets/51c409fb-632d-4dac-9c2f-c8f9e0ebf874

### Steps to reproduce

Set `editors/3d/navigation/navigation_scheme` to touchpad and try navigate in viewport

### Minimal reproduction project (MRP)

N/A

Reproduce the issue in the Godot 3D editor by setting editors/3d/navigation/navigation_scheme to touchpad and navigating the viewport on Windows. Trace the 3D editor viewport's mouse-navigation handling, then verify that the mouse warps at the viewport edge as shown by the expected behavior.

Written by the indexing model from the issue text.