Function handle_save_project

pub fn handle_save_project(
    commands: Commands<'_, '_>,
    events: EventReader<'_, '_, SaveProjectEvent>,
    project_query: Query<'_, '_, (&Name, &Children), With<Project>>,
    level_query: Query<'_, '_, (&Level, &Name, &Children)>,
    layer_query: Query<'_, '_, (&Layer, &Name, &Transform, &Children)>,
    object_query: Query<'_, '_, (&Element, &Name, &Transform)>,
) -> Result<(), BevyError>

Bevy system that handles SaveProjectEvent events.