fix Plotter::SetView; not updating target means it zooms back
fix Plotter::SetView; not updating target means it zooms back

renzodenardi/Pangolin,mp3guy/Pangolin,tschmidt23/Pangolin,stevenlovegrove/Pangolin,tschmidt23/Pangolin,stevenlovegrove/Pangolin,renzodenardi/Pangolin,mp3guy/Pangolin,stevenlovegrove/Pangolin,tschmidt23/Pangolin,mp3guy/Pangolin