### 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)

append_opcode_and_argcount(GDScriptFunction::OPCODE_CONSTRUCT_DICTIONARY, 1 + p_arguments.size());
	for (int i = 0; i < p_arguments.size(); i++) {
		append(p_arguments[i]);
	}
	append(p_target);
	append(p_arguments.size() / 2); 
}
void GDScriptByteCodeGenerator::write_await(const Address &p_target, const Address &p_operand) {
	append_opcode(GDScriptFunction::OPCODE_AWAIT);
	append(p_operand);
	append_opcode(GDScriptFunction::OPCODE_AWAIT_RESUME);
	append(p_target);
}
void GDScriptByteCodeGenerator::write_if(const Address &p_condition) {
	append_opcode(GDScriptFunction::OPCODE_JUMP_IF_NOT);
	append(p_condition);
	if_jmp_addrs.push_back(opcodes.size());
	append(0); 
}
void GDScriptByteCodeGenerator::write_else() {