### Godot version

v4.0.beta.custom_build [291add339]

### System information

Windows 10, Forward+, NVIDIA GeForce GTX 1050 Ti (31.0.15.1694)

### Issue description

I was testing if #69669 was solved by #70418, which it seemed to be. However, I got a wall of errors at the same time.

In the minimal reproduction project below in this Issue, I get errors when instantiating many of the same `GPUParticle2D` scene. In my earlier Godot 4 build (v4.0.beta.custom_build [2a04b18d3]) I did not get any errors (but got the occasional artifact as was my original issue in #69669).

I suspect the PR #70418 solved the artifact, but possibly introduced new bugs. However, I have not specifically built Godot with, and without the PR in question.

I believe this is the start and end of the errors - after which they repeat.
![wall_of_errors](https://user-images.githubusercontent.com/10490534/209046500-9813150c-d6e4-4a11-8e62-79d370d07009.png)

### Steps to reproduce

- Create a GPUParticle2D scene
- Instantiate the scene several times
- Observe the debugger get flooded with errors

### Minimal reproduction project

This project only instantiates default GPUParticle2D scenes with a default particle material.
[GPU_Particle_Creation_Bug.zip](https://github.com/godotengine/godot/files/10283416/GPU_Particle_Creation_Bug.zip)

}
			}
		}
	}
	{
		
		ShaderCompiler::DefaultIdentifierActions actions;
		actions.renames["VERTEX"] = "vertex";
		actions.renames["LIGHT_VERTEX"] = "light_vertex";
		actions.renames["SHADOW_VERTEX"] = "shadow_vertex";
		actions.renames["UV"] = "uv";
		actions.renames["POINT_SIZE"] = "gl_PointSize";
		actions.renames["MODEL_MATRIX"] = "model_matrix";
		actions.renames["CANVAS_MATRIX"] = "canvas_data.canvas_transform";
		actions.renames["SCREEN_MATRIX"] = "canvas_data.screen_transform";
		actions.renames["TIME"] = "canvas_data.time";
		actions.renames["PI"] = _MKSTR(Math_PI);
		actions.renames["TAU"] = _MKSTR(Math_TAU);
		actions.renames["E"] = _MKSTR(Math_E);
		actions.renames["AT_LIGHT_PASS"] = "false";
		actions.renames["INSTANCE_CUSTOM"] = "instance_custom";
		actions.renames["COLOR"] = "color";
		actions.renames["NORMAL"] = "normal";
		actions.renames["NORMAL_MAP"] = "normal_map";
		actions.renames["NORMAL_MAP_DEPTH"] = "normal_map_depth";
		actions.renames["TEXTURE"] = "color_texture";
		actions.renames["TEXTURE_PIXEL_SIZE"] = "draw_data.color_texture_pixel_size";
		actions.renames["NORMAL_TEXTURE"] = "normal_texture";
		actions.renames["SPECULAR_SHININESS_TEXTURE"] = "specular_texture";
		actions.renames["SPECULAR_SHININESS"] = "specular_shininess";