### 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)

GDScriptCodeGenerator::Address pattern_result = codegen.add_temporary();
					for (int k = 0; k < branch->patterns.size(); k++) {
						pattern_result = _parse_match_pattern(codegen, err, branch->patterns[k], value, type, pattern_result, k == 0, false);
						if (err != OK) {
							return err;
						}
					}
					
					gen->write_if(pattern_result);
					
					gen->pop_temporary();
					
					err = _parse_block(codegen, branch->block, false); 
					if (err) {
						return err;
					}
					codegen.end_block(); 
				}
				
				for (int j = 0; j < match->branches.size(); j++) {
					gen->write_endif();
				}
				gen->end_match();
			} break;
			case GDScriptParser::Node::IF: {
				const GDScriptParser::IfNode *if_n = static_cast<const GDScriptParser::IfNode *>(s);
				GDScriptCodeGenerator::Address condition = _parse_expression(codegen, err, if_n->condition);
				if (err) {
					return err;
				}