### 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)

return ClassDB::is_parent_class(src_native, p_target.script_type->get_class_name());
			}
			while (src_script.is_valid()) {
				if (src_script == p_target.script_type) {
					return true;
				}
				src_script = src_script->get_base_script();
			}
			return false;
		case GDScriptParser::DataType::CLASS:
			if (p_target.is_meta_type) {
				return ClassDB::is_parent_class(src_native, GDScript::get_class_static());
			}
			while (src_class != nullptr) {
				if (src_class->fqcn == p_target.class_type->fqcn) {
					return true;
				}
				src_class = src_class->base_type.class_type;
			}
			return false;
		case GDScriptParser::DataType::VARIANT:
		case GDScriptParser::DataType::BUILTIN:
		case GDScriptParser::DataType::ENUM:
		case GDScriptParser::DataType::RESOLVING:
		case GDScriptParser::DataType::UNRESOLVED:
			break; 
	}
	return false;
}
void GDScriptAnalyzer::push_error(const String &p_message, const GDScriptParser::Node *p_origin) {