### Godot version

eaf306e0b

### System information

ArchLinux x11

### Issue description

Creating points on a path3d doesnt work.

### Steps to reproduce

- Create path3d
- Create a new curve resource
- Click the add point button
- Click anywhere
- No points!

### Minimal reproduction project

‮
ERR_FAIL_COND_MSG(p_full_paths.size() != r_filenames.size(), vformat("disambiguate_filenames requires two string vectors of same length (%d != %d).", p_full_paths.size(), r_filenames.size()));
	
	
	Vector<RBSet<int>> index_sets;
	HashMap<String, int> scene_name_to_set_index;
	for (int i = 0; i < r_filenames.size(); i++) {
		String scene_name = r_filenames[i];
		if (!scene_name_to_set_index.has(scene_name)) {
			index_sets.append(RBSet<int>());
			scene_name_to_set_index.insert(r_filenames[i], index_sets.size() - 1);
		}