### 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)

highlight_matching_braces_enabled = p_enabled;
	queue_redraw();
}
bool CodeEdit::is_highlight_matching_braces_enabled() const {
	return highlight_matching_braces_enabled;
}
void CodeEdit::add_auto_brace_completion_pair(const String &p_open_key, const String &p_close_key) {
	ERR_FAIL_COND_MSG(p_open_key.is_empty(), "auto brace completion open key cannot be empty");
	ERR_FAIL_COND_MSG(p_close_key.is_empty(), "auto brace completion close key cannot be empty");
	for (int i = 0; i < p_open_key.length(); i++) {
		ERR_FAIL_COND_MSG(!is_symbol(p_open_key[i]), "auto brace completion open key must be a symbol");
	}
	for (int i = 0; i < p_close_key.length(); i++) {
		ERR_FAIL_COND_MSG(!is_symbol(p_close_key[i]), "auto brace completion close key must be a symbol");
	}
	int at = 0;
	for (int i = 0; i < auto_brace_completion_pairs.size(); i++) {
		ERR_FAIL_COND_MSG(auto_brace_completion_pairs[i].open_key == p_open_key, "auto brace completion open key '" + p_open_key + "' already exists.");
		if (p_open_key.length() < auto_brace_completion_pairs[i].open_key.length()) {
			at++;
		}
	}
	BracePair brace_pair;
	brace_pair.open_key = p_open_key;
	brace_pair.close_key = p_close_key;
	auto_brace_completion_pairs.insert(at, brace_pair);
}
void CodeEdit::set_auto_brace_completion_pairs(const Dictionary &p_auto_brace_completion_pairs) {