[fix] Fix test to connect the source in the lqLidarStreamColorByInitBehavior
[fix] Fix test to connect the source in the lqLidarStreamColorByInitBehavior

The source should be connected only if it's a LidarStream.

Kitware/VeloView,Kitware/VeloView,Kitware/VeloView,Kitware/VeloView,Kitware/VeloView