Reg->6.4.0: Using QtCharts/QAbstractSeries::setUseOpenGL() refreshes the whole QMainWindow (RHI switching)

import sys
from PySide6.QtWidgets import QMainWindow, QApplication, QPushButton, QVBoxLayout, QWidget
from PySide6.QtCharts import QChart, QChartView, QLineSeries


class TestWindow(QMainWindow):
   def __init__(self):
      super().__init__()

      self.chart = QChart()

      self._chart_view = QChartView(self.chart)

      self._button1 = QPushButton("Add line series")
      self._button1.clicked.connect(self._button1_clicked)

      self.main_widget = QWidget(self)
      self.main_layout = QVBoxLayout()
      self.main_layout.addWidget(self._chart_view)
      self.main_layout.addWidget(self._button1)
      self.main_widget.setLayout(self.main_layout)
      self.setCentralWidget(self.main_widget)

   def update_line_series(self):
      self.series = QLineSeries()
      self.series.setUseOpenGL(True)
      self.series.append(0, 6)
      self.series.append(2, 4)
      self.series.append(3, 8)
      self.series.append(7, 4)

      self.chart.addSeries(self.series)

   def _button1_clicked(self):
      self.update_line_series()


if __name__ == "__main__":
   app = QApplication(sys.argv)
   window = TestWindow()
   window.show()
   window.resize(440, 300)
   sys.exit(app.exec())