in the Feedrate color scheme. Due to the travel speed is normally very
high compared with the other speeds in the model, the gradient is now
gradual instead of linear in order to show more changes in the low
values and less changes in the high values.
Adapt also the button styles and themes' colors.
Set the play/pause button to the left and reduce the size.
Increase simulation speed.
Hide Layer Thickness option in color scheme.
Hide nozzle when switching layers.
Set the handles in front of the view.
Name changed back to "Layer View"
