Function adjust_to_nearest_non_block_module 

fn adjust_to_nearest_non_block_module<'db>(
    db: &'db dyn SourceDatabase,
    def_map: &'db DefMap,
    local_id: ModuleId,
) -> (&'db DefMap, ModuleId)

Given a block module, returns its nearest non-block module and the DefMap it belongs to.