### 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
String doc;
	int line = p_line;
	DocLineState state = DOC_LINE_NORMAL;
	while (comments.has(line - 1)) {
		if (!comments[line - 1].new_line || !comments[line - 1].comment.begins_with("##")) {
			break;
		}
		line--;
	}
	String space_prefix;
	if (comments.has(line) && comments[line].comment.begins_with("##")) {
		int i = 2;
		for (; i < comments[line].comment.length(); i++) {
			if (comments[line].comment[i] != ' ') {
				break;
			}
		}
		space_prefix = String(" ").repeat(i - 2);
	}
	while (comments.has(line)) {
		if (!comments[line].new_line || !comments[line].comment.begins_with("##")) {
			break;
		}
		String doc_line = comments[line].comment.trim_prefix("##");
		doc += _process_doc_line(doc_line, doc, space_prefix, state);
		line++;
	}
	return doc;
}
void GDScriptParser::get_class_doc_comment(int p_line, String &p_brief, String &p_desc, Vector<Pair<String, String>> &p_tutorials, bool p_inner_class) {