Only copy existing bindings in PatchReservedDescriptors()
Only copy existing bindings in PatchReservedDescriptors()

* Fixes a crash when looking at certain draws in No Man's Sky, which
apparently sometimes binds a descriptor set with fewer bindings than the
layout specified.

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