Re-introduce call to enable render-window menus (removed without intention)
Re-introduce call to enable render-window menus (removed without intention)

Signed-off-by: Daniel Maleike <eb957e81e2a884d90e98cb415601e792e56b19d7@stryker.com>

MITK/MITK,MITK/MITK,MITK/MITK,MITK/MITK,MITK/MITK,MITK/MITK