Unfocused windows can't be dragged.

[Decapitated]

Tested versions

• Issue Version: v4.3.stable.official [77dcf97]
• Working Version: v4.2.2.stable.official [15073af]

System information

Windows 10.0.22631 - Vulkan (Forward+) - dedicated NVIDIA GeForce RTX 2070 SUPER (NVIDIA; 32.0.15.6070) - AMD Ryzen 7 5700X 8-Core Processor (16 Threads)

Issue description

Provided is a video of the Project Manager, but the same issue happens with the Editor as well.
When the window is unfocused, and you go to drag the window - via the title bar, the window will not drag.

4.3.unfocused.drag.mp4

Steps to reproduce

• Open Godot.
• Un-focus the window.
• Attempt to drag the window via the title bar.

Minimal reproduction project (MRP)

N/A

[tetrapod00]

Tested with the project manager in versions I have installed.
Reproduced on:
v4.3.beta3.official [82cedc8]
v4.3.rc1.mono.official [e343dbb]
v4.3.rc3.mono.official [03afb92]

Working versions:
v4.3.dev4.mono.official [df78c06]
v4.3.beta2.mono.official [b75f048]
v4.3.beta2.official [b75f048]
My specs: Windows 10.0.19045 - Vulkan (Forward+) - dedicated NVIDIA GeForce GTX 1660 Ti with Max-Q Design (NVIDIA; 32.0.15.5612) - AMD Ryzen 7 3750H with Radeon Vega Mobile Gfx (8 Threads)

[tetrapod00]

Bisected to #93976.

[Calinou]

cc @Hilderin