### Godot version

v4.2.beta.custom_build [a574c0296]

### System information

linux

### Issue description

Folder colors don't show up in file dialogs: when saving a scene, etc.

### Steps to reproduce

1. color a folder
2. create and open the save scene dialog and navigate to the colored folder
3. notice it's not shown its color in the file dialog

### Minimal reproduction project

any
Dictionary drag_data = p_data;
	if (drag_data.has("favorite")) {
		if (String(drag_data["favorite"]) != "all") {
			return false;
		}
		
		TreeItem *ti = tree->get_item_at_position(p_point);
		if (!ti) {
			return false;
		}
		int drop_section = tree->get_drop_section_at_position(p_point);
		TreeItem *favorites_item = tree->get_root()->get_first_child();
		TreeItem *resources_item = favorites_item->get_next();
		if (ti == favorites_item) {
			return (drop_section == 1); 
		}
		if (ti->get_parent() && favorites_item == ti->get_parent()) {
			return true; 
		}
		if (ti == resources_item) {
			return (drop_section == -1); 
		}
		return false;
	}
	if (drag_data.has("type") && String(drag_data["type"]) == "resource") {