### Godot version

4.0.rc1

### System information

windows 10

### Issue description

When assigning a lambda to a variable right after an if statement, the parser seems to understand that a ternary expression is happening when in fact it is not.

![image](https://user-images.githubusercontent.com/5783414/218691792-a27619cd-f17c-4d1e-9121-197c22aeec09.png)

### Steps to reproduce

Put the code bellow on a script on an empty project
```gdscript
func test():
	var v
	if true: v = (func(): test())
	if true: v = (func(): test())
	if true: v = (func(): test())

	if true: v = func(): test()
	if true: v = func(): test()
```

### Minimal reproduction project

N/A
} else {
			member->doc_description = get_doc_comment(doc_comment_line);
		}
	}
#endif 
	if (member->identifier != nullptr) {
		if (!((String)member->identifier->name).is_empty()) { 
#ifdef DEBUG_ENABLED
			List<MethodInfo> gdscript_funcs;
			GDScriptLanguage::get_singleton()->get_public_functions(&gdscript_funcs);
			for (MethodInfo &info : gdscript_funcs) {
				if (info.name == member->identifier->name) {
					push_warning(member->identifier, GDScriptWarning::SHADOWED_GLOBAL_IDENTIFIER, p_member_kind, member->identifier->name, "built-in function");
				}
			}
			if (Variant::has_utility_function(member->identifier->name)) {
				push_warning(member->identifier, GDScriptWarning::SHADOWED_GLOBAL_IDENTIFIER, p_member_kind, member->identifier->name, "built-in function");
			}
#endif
			if (current_class->members_indices.has(member->identifier->name)) {
				push_error(vformat(R"(%s "%s" has the same name as a previously declared %s.)", p_member_kind.capitalize(), member->identifier->name, current_class->get_member(member->identifier->name).get_type_name()), member->identifier);
			} else {
				current_class->add_member(member);
			}
		} else {
			current_class->add_member(member);
		}
	}
}
void GDScriptParser::parse_class_body(bool p_is_multiline) {