Fix resolution/framerate/bitrate issue for publishVideoTrack (#270)

* Add screenShareCaptureOptions for setScreenShareEnabled.

* update.

* bump version for flutter-webrtc.

* chore: add maintainResolution setting for publish screen sharing track.

* chore: add CaptureOptions for setCameraEnabled/setMicrophoneEnabled/setScreenShareEnabled.

* update.

* revert changes for videoRids.

* chore: set the default sending bitrate.

lib/src/track/options.dart

@@ -28,7 +28,7 @@ class CameraCaptureOptions extends VideoCaptureOptions {
     this.cameraPosition = CameraPosition.front,
     String? deviceId,
     double? maxFrameRate,
-    VideoParameters params = VideoParametersPresets.h540_169,
+    VideoParameters params = VideoParametersPresets.h720_169,
   }) : super(params: params, deviceId: deviceId, maxFrameRate: maxFrameRate);
 
   CameraCaptureOptions.from({required VideoCaptureOptions captureOptions})
@@ -89,7 +89,7 @@ class ScreenShareCaptureOptions extends VideoCaptureOptions {
     this.captureScreenAudio = false,
     String? sourceId,
     double? maxFrameRate,
-    VideoParameters params = VideoParametersPresets.screenShareH720FPS15,
+    VideoParameters params = VideoParametersPresets.screenShareH1080FPS15,
   }) : super(params: params, deviceId: sourceId, maxFrameRate: maxFrameRate);
 
   ScreenShareCaptureOptions.from(
@@ -98,6 +98,19 @@ class ScreenShareCaptureOptions extends VideoCaptureOptions {
       required VideoCaptureOptions captureOptions})
       : super(params: captureOptions.params);
 
+  ScreenShareCaptureOptions copyWith({
+    bool? captureScreenAudio,
+    VideoParameters? params,
+    String? sourceId,
+    double? maxFrameRate,
+  }) =>
+      ScreenShareCaptureOptions(
+        captureScreenAudio: captureScreenAudio ?? this.captureScreenAudio,
+        params: params ?? this.params,
+        sourceId: sourceId ?? deviceId,
+        maxFrameRate: maxFrameRate ?? this.maxFrameRate,
+      );
+
   @override
   Map<String, dynamic> toMediaConstraintsMap() {
     var constraints = super.toMediaConstraintsMap();