Can not uncomment code in text shader editor

[jsjtxietian]

Godot version

Godot v4.2.beta (8c25a98)

System information

Windows 10.0.19045 - Vulkan (Forward+) - dedicated NVIDIA GeForce RTX 3060 (NVIDIA; 31.0.15.3619) - 11th Gen Intel(R) Core(TM) i7-11700K @ 3.60GHz (16 Threads)

Issue description

Can not uncomment code in text shader editor.
Uncomment this //vertex_interpolated = VERTEX; results in // //vertex_interpolated = VERTEX;

Steps to reproduce

Open any text shader file, try comment and uncomment any code.

Minimal reproduction project

N/A