fix tests around encoding of minimal NetworkMapComponents

Signed-off-by: Dmitri Dolguikh <dmitri.external@netbird.io>

management/internals/shared/grpc/components_encoder.go

@@ -57,7 +57,7 @@ func EncodeNetworkMapEnvelope(in ComponentsEnvelopeInput) *proto.NetworkMapEnvel
 	// Network populated). The receiver gets an envelope it can decode
 	// without crashing; AccountSettings stays non-nil so client-side
 	// dereferences are safe.
-	if c == nil || c.IsEmpty() {
+	if c.IsEmpty() {
 		// Match legacy missing-peer minimum: a NetworkMap with only Network
 		// populated. The receiver gets enough to bootstrap (Network
 		// identifier, dns_domain, account_settings) and the peer itself.

management/internals/shared/grpc/components_encoder_test.go

@@ -739,9 +739,9 @@ func TestEncodeNetworkMapEnvelope_ProxyPatchPropagated(t *testing.T) {
 		assert.Len(t, full.ProxyPatch.ForwardingRules, 1)
 	})
 
-	t.Run("nil_components_graceful_degrade", func(t *testing.T) {
+	t.Run("empty_components_graceful_degrade", func(t *testing.T) {
 		full := EncodeNetworkMapEnvelope(ComponentsEnvelopeInput{
-			Components: nil,
+			Components: emptyNetworkMapComponents(),
 			ProxyPatch: patch,
 		}).GetFull()
 
@@ -754,7 +754,7 @@ func TestEncodeNetworkMapEnvelope_NilComponentsGracefulDegrade(t *testing.T) {
 	// nil Components → minimal envelope, no crash. Matches the legacy
 	// behaviour for missing/unvalidated peers.
 	env := EncodeNetworkMapEnvelope(ComponentsEnvelopeInput{
-		Components: nil,
+		Components: emptyNetworkMapComponents(),
 		DNSDomain:  "netbird.cloud",
 	})
 
@@ -763,7 +763,7 @@ func TestEncodeNetworkMapEnvelope_NilComponentsGracefulDegrade(t *testing.T) {
 	require.NotNil(t, full)
 	require.NotNil(t, full.AccountSettings, "AccountSettings must always be non-nil")
 	assert.Equal(t, "netbird.cloud", full.DnsDomain)
-	assert.Empty(t, full.Peers)
+	assert.Len(t, full.Peers, 1)
 	assert.Empty(t, full.Policies)
 }
 
@@ -779,3 +779,10 @@ func TestEncodeNetworkMapEnvelope_AccountSettingsAlwaysEmitted(t *testing.T) {
 	assert.False(t, full.AccountSettings.PeerLoginExpirationEnabled)
 	assert.Zero(t, full.AccountSettings.PeerLoginExpirationNs)
 }
+
+func emptyNetworkMapComponents() *types.NetworkMapComponents {
+	return types.EmptyNetworkMapComponents(
+		&types.NetworkMapComponents{
+			PeerID: "peer-id", Peers: map[string]*nbpeer.Peer{"peer-id": {}}},
+	)
+}