message: Handle an InstanceDataStepRate of 0 as all data being identical
diff: @@ -1063,7 +1063,7 @@ ShaderDebugTrace D3D11DebugManager::DebugVertex(uint32_t eventID, uint32_t verti
  }
  else
  {
  - if(el->InstanceDataStepRate >= draw->numInstances)
  + if(el->InstanceDataStepRate == 0 || el->InstanceDataStepRate >= draw->numInstances)
  {
  srcData = &staticData[el->InputSlot][el->AlignedByteOffset];
  dataSize = staticData[el->InputSlot].size() - el->AlignedByteOffset;
  