orthoviewer3D resize problems
OrthoViewer3D is not resizing the canvases properly when the window is resized on MacOS. Similarly to previous problems with FieldViewer3D - fix it the same way with split panel events.
OrthoViewer3D is not resizing the canvases properly when the window is resized on MacOS. Similarly to previous problems with FieldViewer3D - fix it the same way with split panel events.