[4.3 Beta 3] Strange editor brightness and colors caused by RTX Dynamic Vibrance affecting the editor

### Tested versions

Tested with v4.3.beta3.official [82cedc83c], seems to happen as far back as v4.3.beta1.official [a4f2ea91a]. If I use v4.3.dev6.official [89850d553] or older, the issue is no longer present.

### System information

Godot v4.3.beta3 - Windows 10.0.19045 - Vulkan (Forward+) - dedicated NVIDIA GeForce RTX 3060 (NVIDIA; 32.0.15.5612) - 11th Gen Intel(R) Core(TM) i5-11600K @ 3.90GHz (12 Threads)

### Issue description

In Godot 4.3 Beta 3, the editor is quite a bit brighter (4.2.2 Stable on the left, 4.3 Beta 3 on the right)


It seems sometimes clicking some things will change the brightness or color of the editor very subtly as well, as shown here:

https://github.com/user-attachments/assets/50c26e81-0a20-48d5-abc4-542329d42888

### Steps to reproduce

- Open Godot 4.3 beta (1-3)
- Open a project (can be a new / empty one)
- The editor will be bright as shown in the picture

### Minimal reproduction project (MRP)

N/A

Reproduce the brightness and color changes with Godot 4.3 beta on Windows 10 using the listed NVIDIA RTX 3060 setup, comparing 4.2.2 and dev6. Start by investigating editor rendering changes between those versions and the interaction with RTX Dynamic Vibrance. Done means identifying the regression and confirming that the editor appearance remains consistent under the affected configuration.

Written by the indexing model from the issue text.