feat: Set bundlePolicy for the peerconnection (#923)

Author: renefloor

packages/stream_video/lib/src/types/other.dart

@@ -38,6 +38,8 @@ class RTCConfiguration {
     return <String, dynamic>{
       // only supports unified plan
       'sdpSemantics': 'unified-plan',
+      'bundlePolicy':
+          'max-bundle', // https://linear.app/stream/issue/FLU-91/peerconnection-rtp-bundle
       if (iceServersMap.isNotEmpty) 'iceServers': iceServersMap,
       if (iceCandidatePoolSize != null)
         'iceCandidatePoolSize': iceCandidatePoolSize,

packages/stream_video/test/src/types/rtc_configuration_test.dart

@@ -0,0 +1,12 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:stream_video/stream_video.dart' show RTCConfiguration;
+
+void main() {
+  test('Verify default configurations', () {
+    const sut = RTCConfiguration();
+    final map = sut.toMap();
+
+    expect(map['sdpSemantics'], 'unified-plan');
+    expect(map['bundlePolicy'], 'max-bundle');
+  });
+}