ScratchCPP Render 0.6.1

Change log:

• Fixed loading screen not showing after loading project for the first time (#136).
• Updated libscratchcpp to v0.10.1 (https://github.com/scratchcpp/libscratchcpp/releases/tag/v0.10.1).

Full Changelog: v0.6.0...v0.6.1