juno clear CLI command should not delete .well-know/ic-domains

[peterpeterparker]

juno clear incorrectly delete all #dapp assets which includes the /.well-known/ic-domains. File which should not be deleted (except if dev delete custom domain).

let full_paths = match rule.mem() {
        Memory::Heap => STATE.with(|state| {
            let state_ref = state.borrow();
            get_assets_heap(collection, &state_ref.heap.storage.assets)
                .iter()
                // TODO: filter BN_WELL_KNOWN_CUSTOM_DOMAINS
                .map(|(_, asset)| asset.key.full_path.clone())
                .collect()
        }),
        Memory::Stable => STATE.with(|state| {
            let stable = get_assets_stable(collection, &state.borrow().stable.assets);
            stable
                .iter()
                .map(|(_, asset)| asset.key.full_path.clone())
                .collect()
        }),
    };