small performance improvemnt when using synchronize: polling reduced from 100ms to 50ms

src/damaris/gui/DamarisGUI.py

@@ -4032,7 +4032,7 @@ class ScriptInterface:
                                    (self.back_driver.core_pid is None or self.back_driver.core_pid <= 0)):
                     while gtk.events_pending():
                         gtk.main_iteration_do(False)
-                    self.back_driver.quit_flag.wait( 0.1 )
+                    self.back_driver.quit_flag.wait( 0.05 )
             if self.exp_handling:
                 self.exp_handling.start( )
             if self.res_handling: