QMenuBar does not show action checkbox
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Hey I've added an action dirrectly to my MenuBar that is checkble. The check is not visible, only when I "Squeeze" menu so the action end up in extension >> then in drop menu the check box is visible. How can I fix this issue? 
 In menu :
  
 when in extension :
  
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Hi, Which version of Qt ? 
 On which OS ?
 Can you provide a minimal compilable exemple that shows this behaviour ?
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If this is reproducible with C++, then C++ since the Python bindings are built on top of it. 
