RSDK-8812: Add frame_rate to flutter sdk (viamrobotics#261)

* changes to flutter sdk

* final flutter changes

* formatting

* remove assignments

* remove all tests

* added one test

Author: jckras

lib/src/components/camera/service.dart

@@ -51,10 +51,7 @@ class CameraService extends CameraServiceBase {
   Future<GetPropertiesResponse> getProperties(ServiceCall call, GetPropertiesRequest request) async {
     final camera = _fromManager(request.name);
     final properties = await camera.properties();
-    return GetPropertiesResponse()
-      ..supportsPcd = properties.supportsPcd
-      ..intrinsicParameters = properties.intrinsicParameters
-      ..distortionParameters = properties.distortionParameters;
+    return properties;
   }
 
   @override

test/unit_test/components/camera_test.dart

@@ -43,7 +43,8 @@ class FakeCamera extends Camera {
     return CameraProperties()
       ..supportsPcd = true
       ..intrinsicParameters = (IntrinsicParameters()..widthPx = 10)
-      ..distortionParameters = (DistortionParameters()..model = 'test');
+      ..distortionParameters = (DistortionParameters()..model = 'test')
+      ..frameRate = 10.0;
   }
 }
 
@@ -80,6 +81,7 @@ void main() {
       final actual = await camera.properties();
       expect(actual.distortionParameters.model, 'test');
       expect(actual.intrinsicParameters.widthPx, 10);
+      expect(actual.frameRate, 10.0);
     });
 
     test('doCommand', () async {