Update canvas size before creating viewer
Update canvas size before creating viewer

The create of the viewer using the size from the canvas so it needs
to be set before passing it to createNewViewer(...)

Change-Id: If20c60285ce1de84fcd5f91b7b55513ace332f92

demarle/VTK,ashray/VTK-EVM,mspark93/VTK,jmerkow/VTK,johnkit/vtk-dev,msmolens/VTK,ashray/VTK-EVM,gram526/VTK,candy7393/VTK,SimVascular/VTK,berendkleinhaneveld/VTK,msmolens/VTK,ashray/VTK-EVM,berendkleinhaneveld/VTK,SimVascular/VTK,sumedhasingla/VTK,hendradarwin/VTK,sumedhasingla/VTK,jmerkow/VTK,ashray/VTK-EVM,msmolens/VTK,berendkleinhaneveld/VTK,sankhesh/VTK,johnkit/vtk-dev,ashray/VTK-EVM,demarle/VTK,msmolens/VTK,mspark93/VTK,ashray/VTK-EVM,mspark93/VTK,sankhesh/VTK,demarle/VTK,hendradarwin/VTK,hendradarwin/VTK,gram526/VTK,johnkit/vtk-dev,keithroe/vtkoptix,keithroe/vtkoptix,hendradarwin/VTK,candy7393/VTK,msmolens/VTK,sumedhasingla/VTK,ashray/VTK-EVM,candy7393/VTK,johnkit/vtk-dev,sumedhasingla/VTK,msmolens/VTK,demarle/VTK,gram526/VTK,candy7393/VTK,jmerkow/VTK,sumedhasingla/VTK,gram526/VTK,candy7393/VTK,candy7393/VTK,sumedhasingla/VTK,hendradarwin/VTK,SimVascular/VTK,SimVascular/VTK,keithroe/vtkoptix,sankhesh/VTK,mspark93/VTK,sankhesh/VTK,mspark93/VTK,jmerkow/VTK,demarle/VTK,berendkleinhaneveld/VTK,mspark93/VTK,gram526/VTK,keithroe/vtkoptix,sankhesh/VTK,keithroe/vtkoptix,berendkleinhaneveld/VTK,gram526/VTK,keithroe/vtkoptix,berendkleinhaneveld/VTK,jmerkow/VTK,jmerkow/VTK,candy7393/VTK,demarle/VTK,hendradarwin/VTK,jmerkow/VTK,sankhesh/VTK,berendkleinhaneveld/VTK,sankhesh/VTK,mspark93/VTK,sumedhasingla/VTK,keithroe/vtkoptix,SimVascular/VTK,hendradarwin/VTK,gram526/VTK,SimVascular/VTK,ashray/VTK-EVM,johnkit/vtk-dev,SimVascular/VTK,demarle/VTK,msmolens/VTK,jmerkow/VTK,demarle/VTK,mspark93/VTK,johnkit/vtk-dev,sankhesh/VTK,msmolens/VTK,johnkit/vtk-dev,gram526/VTK,SimVascular/VTK,keithroe/vtkoptix,candy7393/VTK,sumedhasingla/VTK