- Fix Creator and Evolution printers
- Ignore base layer for Slice preset by using OemLayer.ValueOrDefault rather than GetValue
- Rename test to StartGCodeWithExtrudesMustFollowM109Heatup
- Extract code from Deserialize into ReloadOemProfiles
- Wire up ReloadOemProfiles to Load event
- Revert to lowercase oemprofiles.json filename
- Issue #1179