### 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)

push_error(vformat(R"(Could not resolve class "%s".)", p_class->fqcn), p_source);
			}
			return;
		}
		p_class->resolved_interface = true;
		if (resolve_class_inheritance(p_class) != OK) {
			return;
		}
		GDScriptParser::DataType base_type = p_class->base_type;
		if (base_type.kind == GDScriptParser::DataType::CLASS) {
			GDScriptParser::ClassNode *base_class = base_type.class_type;
			resolve_class_interface(base_class, p_class);
		}
		for (int i = 0; i < p_class->members.size(); i++) {
			resolve_class_member(p_class, i);
		}
	}
}
void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_class, bool p_recursive) {
	resolve_class_interface(p_class);
	if (p_recursive) {
		for (int i = 0; i < p_class->members.size(); i++) {
			GDScriptParser::ClassNode::Member member = p_class->members[i];
			if (member.type == GDScriptParser::ClassNode::Member::CLASS) {
				resolve_class_interface(member.m_class, true);
			}
		}
	}
}
void GDScriptAnalyzer::resolve_class_body(GDScriptParser::ClassNode *p_class, const GDScriptParser::Node *p_source) {