message: Handle replaying if context has no backbuffer FBO
diff: @@ -1024,7 +1024,7 @@ bool WrappedOpenGL::Serialise_ContextConfiguration(SerialiserType &ser, void *ct
  SERIALISE_CHECK_READ_ERRORS();
  - if(IsReplayingAndReading())
  + if(IsReplayingAndReading() && FBO != ResourceId())
  {
  // we might encounter multiple instances of this chunk per frame, so only do work on the first
  // one
  