### 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)

gen->pop_temporary();
					}
				} else {
					to_assign = assigned_value;
				}
				GDScriptDataType assign_type = _gdtype_from_datatype(assignment->assignee->get_datatype(), codegen.script);
				if (has_setter && !is_in_setter) {
					
					Vector<GDScriptCodeGenerator::Address> args;
					args.push_back(to_assign);
					gen->write_call(GDScriptCodeGenerator::Address(), GDScriptCodeGenerator::Address(GDScriptCodeGenerator::Address::SELF), setter_function, args);
				} else {
					
					if (assignment->use_conversion_assign) {
						gen->write_assign_with_conversion(target, to_assign);
					} else {
						gen->write_assign(target, to_assign);
					}
				}
				if (to_assign.mode == GDScriptCodeGenerator::Address::TEMPORARY) {
					gen->pop_temporary(); 
				}
				if (has_operation && assigned_value.mode == GDScriptCodeGenerator::Address::TEMPORARY) {
					gen->pop_temporary(); 
				}
				if (target.mode == GDScriptCodeGenerator::Address::TEMPORARY) {
					gen->pop_temporary(); 
				}
			}
			return GDScriptCodeGenerator::Address();