Fixed flickering on plot update

Author: mrvisscher

activity_browser/layouts/tabs/LCA_results_tabs.py

@@ -1154,6 +1154,7 @@ def update_plot(self):
         self.plot.figure.clf()
         # name is already altered by set_filename before update_plot occurs.
         name = self.plot.plot_name
+        self.plot.setVisible(False)
         self.plot.deleteLater()
         self.plot = ContributionPlot(self)
         self.pt_layout.insertWidget(idx, self.plot)