feat(video_calls): added new incomng push impl, fixed mic and video sharing while connecting to call

test/features/video_calls/services/video_call_push_payload_test.dart

@@ -0,0 +1,51 @@
+import 'package:eatvio_app/features/video_calls/services/video_call_push_payload.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  group('VideoCallPushPayload', () {
+    test('parses video_call type with conversation uuid', () {
+      final payload = VideoCallPushPayload.tryParse({
+        'type': 'video_call_incoming',
+        'conversation_uuid': 'abc-123',
+        'caller_name': 'Anna',
+        'avatar': 'https://cdn.example/avatar.jpg',
+      });
+
+      expect(payload, isNotNull);
+      expect(payload!.conversationUuid, 'abc-123');
+      expect(payload.counterpartName, 'Anna');
+      expect(payload.counterpartAvatarUrl, 'https://cdn.example/avatar.jpg');
+    });
+
+    test('parses action_url with video-call path', () {
+      final payload = VideoCallPushPayload.tryParse({
+        'action_url': 'https://eatvio.ru/video-call-screen?uuid=room-42',
+        'counterpartName': 'Ivan',
+      });
+
+      expect(payload, isNotNull);
+      expect(payload!.conversationUuid, 'room-42');
+      expect(payload.counterpartName, 'Ivan');
+    });
+
+    test('ignores ended video call push', () {
+      expect(
+        VideoCallPushPayload.tryParse({
+          'type': 'video_call_ended',
+          'conversation_uuid': 'abc-123',
+        }),
+        isNull,
+      );
+    });
+
+    test('ignores regular chat push', () {
+      expect(
+        VideoCallPushPayload.tryParse({
+          'type': 'chat_message',
+          'action_url': 'https://eatvio.ru/chat/123',
+        }),
+        isNull,
+      );
+    });
+  });
+}