### 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)

reduce_identifier_from_base(id, &base);
			GDScriptParser::DataType id_type = id->get_datatype();
			if (!id_type.is_set()) {
				push_error(vformat(R"(Could not find type "%s" under base "%s".)", id->name, base.to_string()), p_class);
			}
			base = id_type;
		}
		result = base;
	}
	if (!result.is_set() || result.has_no_type()) {
		
		push_error(vformat(R"(Could not resolve inheritance for class "%s".)", p_class->identifier == nullptr ? "<main>" : p_class->identifier->name), p_class);
		return ERR_PARSE_ERROR;
	}
	
	const GDScriptParser::ClassNode *base_class = result.class_type;
	while (base_class) {
		if (base_class->fqcn == p_class->fqcn) {
			push_error("Cyclic inheritance.", p_class);
			return ERR_PARSE_ERROR;
		}
		base_class = base_class->base_type.class_type;
	}
	p_class->base_type = result;
	class_type.native_type = result.native_type;
	p_class->set_datatype(class_type);
	parser->current_class = previous_class;
	return OK;
}
Error GDScriptAnalyzer::resolve_class_inheritance(GDScriptParser::ClassNode *p_class, bool p_recursive) {