Function re_viewport::system_execution::execute_systems_for_all_views

pub fn execute_systems_for_all_views<'a>(
    ctx: &'a ViewerContext<'a>,
    tree: &Tree<SpaceViewId>,
    views: &'a BTreeMap<SpaceViewId, SpaceViewBlueprint>,
    view_states: &mut ViewStates
) -> HashMap<SpaceViewId, (ViewQuery<'a>, SystemExecutionOutput)>