  #pragma once
  
  #include <QLabel>
  #include <QSlider>
  #include <QWidget>
  
  #include "selfdrive/ui/qt/widgets/cameraview.h"
 
</s> remove #include <QPushButton>
 </s> add 
#include <QPushButton>
  #pragma once
  
  #include <QLabel>
#include <QPushButton>
  #include <QSlider>
  #include <QWidget>
  
  #include "selfdrive/ui/qt/widgets/cameraview.h"
keep keep add keep keep keep keep
 Cabana: click on video to play/pause (#26099) 
tools/cabana/videowidget.h