### Godot version

9f9210e60cddb2fa82ce5f7d71fcba340f2edbd1

### System information

Windows 11

### Issue description

I found that one of particles shaders in my project begin working incorrectly after the recent fixes. I've bisected it to 9f9210e60cddb2fa82ce5f7d71fcba340f2edbd1.

Before:
![image](https://github.com/godotengine/godot/assets/3036176/556bb0ed-6214-42ce-b194-8b54b0349b18)


After:
![image](https://github.com/godotengine/godot/assets/3036176/b3fa0b8a-20a6-4c5a-aea7-3e1ec465ea3e)


### Steps to reproduce

Download the provided test project and compare changes with different version.

### Minimal reproduction project

[bug.zip](https://github.com/godotengine/godot/files/12476303/bug.zip)

#include "gradient_texture.h"
#include "core/core_string_names.h"
#include "core/math/geometry_2d.h"
GradientTexture1D::GradientTexture1D() {
	_queue_update();
}
GradientTexture1D::~GradientTexture1D() {
	if (texture.is_valid()) {
		ERR_FAIL_NULL(RenderingServer::get_singleton());
		RS::get_singleton()->free(texture);
	}
}
void GradientTexture1D::_bind_methods() {