### 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
if (!for_completion || (!p_force && completion_context.type != COMPLETION_NONE)) {
		return;
	}
	if (previous.cursor_place != GDScriptTokenizer::CURSOR_MIDDLE && previous.cursor_place != GDScriptTokenizer::CURSOR_END && current.cursor_place == GDScriptTokenizer::CURSOR_NONE) {
		return;
	}
	CompletionContext context;
	context.type = p_type;
	context.current_class = current_class;
	context.current_function = current_function;
	context.current_suite = current_suite;
	context.current_line = tokenizer.get_cursor_line();
	context.builtin_type = p_builtin_type;
	completion_context = context;
}
void GDScriptParser::push_completion_call(Node *p_call) {