Compiled fine with VTK 9.2 ，but one issue that do not show vtk .

[dezbracaty]

I had change vtk 8.2 to vtk 9.2 and I ran into a few problems：
1 ：
Some variables had removed from vtk 9.0 and I have to change that variable to comfortable VTK9.2
2:
When init vtk renderWindow from Interactor->Initailize() function ,the program will crash in VTKOpenGLFrameBuffer.cpp :1502 this->Bind().
this can fixed by init opengl state in constructor. and I will show full code.
3:
After all , compiled and running program , the vtk will not show ,but vtk::render() function is normal running !
So ,I will push my code and I hope some one who have time to fixed this bug. I'm not very familiar with rendering technology so I hope some one can fix the last issue.

Thanks to the project author for contributing such a good project, let's make everything better together

[dezbracaty]

https://github.com/dezbracaty/QuickVtk/commit/a158be80bec1d8481b45dbe029faa1f41ef31f38
This is the commit .

[dezbracaty]

I can provide some ideas for fix this issue:
1
reference QQUICKVTKRENDERWINDOW \ QUICKVTKRENDERITEM .
2
See the souce code in VTK renderwindow::render ()