[GUI] Visualization: make interpolation configurable.
The interpolation for the visualization can now be deactivated and activated (for the PostVis and OnlineVis). For the PostVis it is active by default. For the OnlineVis it is inactive by default.
5.7.2022, 9:00 - 11:00: Due to updates GitLab may be unavailable for some minutes between 09:00 and 11:00.
The interpolation for the visualization can now be deactivated and activated (for the PostVis and OnlineVis). For the PostVis it is active by default. For the OnlineVis it is inactive by default.