Release IKAR 1.0.8: fix incoming calls, cancellation and call history

test/call_network_failure_test.dart

@@ -34,6 +34,20 @@ class BrokenSignaling extends Ws2Signaling {
 
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
+  test('hangup reaches IKAR even before WS2 connects', () async {
+    final reasons = <String>[];
+    final session = CallSession(
+      ws2Config: config,
+      role: CallRole.caller,
+      endOnServer: (reason) async {
+        reasons.add(reason);
+      },
+    );
+    await session.hangup();
+    await session.hangup();
+    expect(reasons, ['CANCELED']);
+    expect(session.currentState, CallSessionState.ended);
+  });
   test(
     'ICE send failure is handled and late candidates are ignored after hangup',
     () async {