Function append_unique_deny_rules

crates/openshell-policy/src/merge.rs:791–797

(existing: &mut Vec<L7DenyRule>, incoming: &[L7DenyRule])

}

fn append_unique_deny_rules(existing: &mut Vec<L7DenyRule>, incoming: &[L7DenyRule]) {
    for rule in incoming {
        if !existing.contains(rule) {
            existing.push(rule.clone());
        }
    }
}

fn normalize_rule(rule: &mut NetworkPolicyRule) {
    for endpoint in &mut rule.endpoints {