### Godot version

4.0 Beta10

### System information

Windows 10, Vulkan, GTX1060

### Issue description

`PropertyTweener`'s methods' return value are not discarded and effect the unary operator at next line.

In Editor:
![in_editor](https://user-images.githubusercontent.com/61624558/210715100-04bdf283-7954-4be3-94ca-338987b24c5b.png)


In cpp:
![in_cpp](https://user-images.githubusercontent.com/61624558/210715127-519f6d54-fc15-468f-9aca-ba7d387a5a7b.png)


### Steps to reproduce

Just run the Minimal reproduction project.

### Minimal reproduction project

[Bug Report.zip](https://github.com/godotengine/godot/files/10349829/Bug.Report.zip)

if (p_method->get_argument_count() != p_arguments.size()) {
		
		return false;
	}
	MethodInfo info;
	ClassDB::get_method_info(p_method->get_instance_class(), p_method->get_name(), &info);
	for (int i = 0; i < p_arguments.size(); i++) {
		const PropertyInfo &prop = info.arguments[i];
		if (!_is_exact_type(prop, p_arguments[i].type)) {
			return false;
		}
	}
	return true;
}
GDScriptCodeGenerator::Address GDScriptCompiler::_parse_expression(CodeGen &codegen, Error &r_error, const GDScriptParser::ExpressionNode *p_expression, bool p_root, bool p_initializer, const GDScriptCodeGenerator::Address &p_index_addr) {
	if (p_expression->is_constant) {
		return codegen.add_constant(p_expression->reduced_value);