Function validate_migrations_server 

pub async fn validate_migrations_server<F, Fut>(
    module: DynServerModuleInit,
    db_prefix: &str,
    validate: F,
) -> Result<(), Error>
where
    F: Fn(Database) -> Fut,
    Fut: Future<Output = Result<(), Error>>,

Validates the database migrations for a server module. First applies all database migrations to the module, then calls the validate which should confirm the database migrations were successful.