### 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
}
		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("##");
		String title, link; 
		if (state == DOC_LINE_NORMAL) {
			
			String stripped_line = doc_line.strip_edges();
			if (stripped_line.is_empty()) {
				if (mode == BRIEF && !p_brief.is_empty()) {
					mode = DESC;
				}
				continue;
			} else if (stripped_line.begins_with("@tutorial")) {
				int begin_scan = String("@tutorial").length();
				if (begin_scan >= stripped_line.length()) {
					continue; 
				}
				if (stripped_line[begin_scan] == ':') { 
					
					title = "";
					link = stripped_line.trim_prefix("@tutorial:").strip_edges();
				} else {
					/* Syntax:
					 *   @tutorial ( The Title Here )         :         https://the.url/
					 *             ^ open           ^ close   ^ colon   ^ url