### Godot version

v4.0.beta13.official [caacade56]

### System information

Linux Ubuntu 20.04 with Unity desktop

### Issue description

When calling an undefined function in the shader editor with argument(s), such as `undefined_function(1)`, the error reads:

> Too many arguments for "undefined_function()" call. Expected at most 0 but received 1.

instead of the expected:

> No matching function found for: 'undefined_function'.

This is possibly a regression introduced in https://github.com/godotengine/godot/issues/18225, since the latter was focused on the arguments part.

To avoid such regression in the future, consider adding a unit test with this case (and, in fact, unit tests for the other signature errors too if there are not already).

### Steps to reproduce

1. Create a shader resource and open the shader editor
2. Enter `undefined_function(1);` in the fragment() definition

### Minimal reproduction project

N/A
} break;
								case TK_HINT_DEFAULT_WHITE_TEXTURE: {
									new_hint = ShaderNode::Uniform::HINT_DEFAULT_WHITE;
								} break;
								case TK_HINT_DEFAULT_TRANSPARENT_TEXTURE: {
									new_hint = ShaderNode::Uniform::HINT_DEFAULT_TRANSPARENT;
								} break;
								case TK_HINT_NORMAL_TEXTURE: {
									new_hint = ShaderNode::Uniform::HINT_NORMAL;
								} break;
								case TK_HINT_ROUGHNESS_NORMAL_TEXTURE: {
									new_hint = ShaderNode::Uniform::HINT_ROUGHNESS_NORMAL;
								} break;
								case TK_HINT_ROUGHNESS_R: {
									new_hint = ShaderNode::Uniform::HINT_ROUGHNESS_R;
								} break;
								case TK_HINT_ROUGHNESS_G: {
									new_hint = ShaderNode::Uniform::HINT_ROUGHNESS_G;
								} break;
								case TK_HINT_ROUGHNESS_B: {
									new_hint = ShaderNode::Uniform::HINT_ROUGHNESS_B;
								} break;
								case TK_HINT_ROUGHNESS_A: {
									new_hint = ShaderNode::Uniform::HINT_ROUGHNESS_A;
								} break;
								case TK_HINT_ROUGHNESS_GRAY: {
									new_hint = ShaderNode::Uniform::HINT_ROUGHNESS_GRAY;
								} break;
								case TK_HINT_ANISOTROPY_TEXTURE: {
									new_hint = ShaderNode::Uniform::HINT_ANISOTROPY;