Box/HBox/VBoxContainers show the wrong default constants value in Theme Overrides.

[MadeScientist]

Tested versions

• Reproducible in: 4.4 beta3, 4.4 beta4, 4.3 stable

System information

Godot v4.4.beta3 - Windows 10 (build 19045) - Multi-window, 1 monitor - Vulkan (Forward+) - dedicated NVIDIA GeForce GTX 1060 (NVIDIA; 32.0.15.6603) - Intel(R) Core(TM) i5-6300HQ CPU @ 2.30GHz (4 threads)

Issue description

Maybe related with #74123, #102951(fixed by #102743). Obviously, the default value for them_override_constants/separation is int 4 instead of int 0.

Demonstration video:

https://github.com/user-attachments/assets/ac7cea7d-9ad0-4fbe-8127-55664486b5d2

Steps to reproduce

Follow the instructions in demonstration video above.

Minimal reproduction project (MRP)

N/A