### 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
DataType nc = p_op->arguments[2]->get_datatype();
			valid = na == TYPE_BOOL && (nb == nc);
			ret_type = nb;
			ret_size = sa;
		} break;
		default: {
			ERR_FAIL_V(false);
		}
	}
	if (r_ret_type) {
		*r_ret_type = ret_type;
	}
	if (r_ret_size) {
		*r_ret_size = ret_size;
	}
	return valid;
}
const ShaderLanguage::BuiltinFuncDef ShaderLanguage::builtin_func_defs[] = {
	
	{ "bool", TYPE_BOOL, { TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
	{ "bvec2", TYPE_BVEC2, { TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
	{ "bvec2", TYPE_BVEC2, { TYPE_BOOL, TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
	{ "bvec3", TYPE_BVEC3, { TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
	{ "bvec3", TYPE_BVEC3, { TYPE_BOOL, TYPE_BOOL, TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
	{ "bvec3", TYPE_BVEC3, { TYPE_BVEC2, TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
	{ "bvec3", TYPE_BVEC3, { TYPE_BOOL, TYPE_BVEC2, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
	{ "bvec4", TYPE_BVEC4, { TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
	{ "bvec4", TYPE_BVEC4, { TYPE_BOOL, TYPE_BOOL, TYPE_BOOL, TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
	{ "bvec4", TYPE_BVEC4, { TYPE_BOOL, TYPE_BVEC2, TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },
	{ "bvec4", TYPE_BVEC4, { TYPE_BVEC2, TYPE_BOOL, TYPE_BOOL, TYPE_VOID }, { "" }, TAG_GLOBAL, false },