Ensure we always create a reflection object, even if it's empty
Ensure we always create a reflection object, even if it's empty

* Fixes crashes with DXBC objects that only contain input/output signatures

baldurk/renderdoc,Zorro666/renderdoc,Zorro666/renderdoc,Zorro666/renderdoc,Zorro666/renderdoc,baldurk/renderdoc,baldurk/renderdoc,Zorro666/renderdoc,baldurk/renderdoc,baldurk/renderdoc,baldurk/renderdoc,Zorro666/renderdoc