### 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)

switch (builtin_type) {
				
				
				case Variant::OBJECT:
				case Variant::DICTIONARY:
				case Variant::ARRAY:
				case Variant::PACKED_BYTE_ARRAY:
				case Variant::PACKED_INT32_ARRAY:
				case Variant::PACKED_INT64_ARRAY:
				case Variant::PACKED_FLOAT32_ARRAY:
				case Variant::PACKED_FLOAT64_ARRAY:
				case Variant::PACKED_STRING_ARRAY:
				case Variant::PACKED_VECTOR2_ARRAY:
				case Variant::PACKED_VECTOR3_ARRAY:
				case Variant::PACKED_COLOR_ARRAY:
					safe_to_fold = false;
					break;
				default:
					break;
			}
			if (all_is_constant && safe_to_fold) {
				
				Vector<const Variant *> args;
				for (int i = 0; i < p_call->arguments.size(); i++) {
					args.push_back(&(p_call->arguments[i]->reduced_value));
				}
				Callable::CallError err;
				Variant value;
				Variant::construct(builtin_type, value, (const Variant **)args.ptr(), args.size(), err);
				switch (err.error) {