### Godot version

v4.1.1-stable_mono_win64

### System information

Windows 11

### Issue description

I removed the node to replace it with another, but when I change the path in the code, the engine crashes for me.

### Steps to reproduce

I did a screen recording as it happens:

https://github.com/godotengine/godot/assets/116289408/b2fd2689-8d82-44e8-8e02-be01674842e1



### Minimal reproduction project

[MixApo.zip](https://github.com/godotengine/godot/files/12208403/MixApo.zip)

auto_brace_completion_pairs.clear();
	Array keys = p_auto_brace_completion_pairs.keys();
	for (int i = 0; i < keys.size(); i++) {
		add_auto_brace_completion_pair(keys[i], p_auto_brace_completion_pairs[keys[i]]);
	}
}
Dictionary CodeEdit::get_auto_brace_completion_pairs() const {
	Dictionary brace_pairs;
	for (int i = 0; i < auto_brace_completion_pairs.size(); i++) {
		brace_pairs[auto_brace_completion_pairs[i].open_key] = auto_brace_completion_pairs[i].close_key;
	}
	return brace_pairs;
}
bool CodeEdit::has_auto_brace_completion_open_key(const String &p_open_key) const {
	for (int i = 0; i < auto_brace_completion_pairs.size(); i++) {
		if (auto_brace_completion_pairs[i].open_key == p_open_key) {
			return true;
		}
	}
	return false;
}
bool CodeEdit::has_auto_brace_completion_close_key(const String &p_close_key) const {
	for (int i = 0; i < auto_brace_completion_pairs.size(); i++) {
		if (auto_brace_completion_pairs[i].close_key == p_close_key) {
			return true;
		}
	}
	return false;
}
String CodeEdit::get_auto_brace_completion_close_key(const String &p_open_key) const {