### Godot version

4.1.1.stable.official

### System information

Godot v4.1.1.stable - Windows 10.0.19045 - Vulkan (Compatibility) - Intel(R) HD Graphics 4600 (Intel Corporation; 20.19.15.5126) - Intel(R) Core(TM) i7-4790 CPU @ 3.60GHz (8 Threads)

### Issue description

So theres this error message:
Expected error after ">" operator."
there appears to be a useless " at the end. Is this intentional?
![image](https://github.com/godotengine/godot/assets/95637172/b7763908-596e-47e6-b632-bd5ceceab9db)


### Steps to reproduce

attach a script and write a ternary operator line, But do after the operator do not write the other piece of code.
var test = 1 if a > # leave it out so it gives an debug error message at edit time
you'll see the debug error message

### Minimal reproduction project

go to scenes\enemys\frog\frog.gd
youll see line 24 which includes the bug
[test.zip](https://github.com/godotengine/godot/files/12328367/test.zip)

AnnotationNode *annotation = alloc_node<AnnotationNode>();
	annotation->name = previous.literal;
	make_completion_context(COMPLETION_ANNOTATION, annotation);
	bool valid = true;
	if (!valid_annotations.has(annotation->name)) {
		push_error(vformat(R"(Unrecognized annotation: "%s".)", annotation->name));
		valid = false;
	}
	annotation->info = &valid_annotations[annotation->name];
	if (!annotation->applies_to(p_valid_targets)) {
		if (annotation->applies_to(AnnotationInfo::SCRIPT)) {
			push_error(vformat(R"(Annotation "%s" must be at the top of the script, before "extends" and "class_name".)", annotation->name));
		} else {
			push_error(vformat(R"(Annotation "%s" is not allowed in this level.)", annotation->name));
		}
		valid = false;
	}
	if (check(GDScriptTokenizer::Token::PARENTHESIS_OPEN)) {
		push_multiline(true);
		advance();