[DEMO Patch 3] Bugfixes

[p]This minor patch brings few changes and performance improvements to the demo of Pipeworks Puzzle:[/p]

• [p]Vulkan default shader changed from SM5 back to SM6[/p]
• [p]The colors of the starting screen has been reverted back to yellow.[/p]
• [p]The framerate limiter has been fixed[/p][p][/p]

[h3]As always, if you have any feedback, bug encounters, or feature request, please let me know via Discord (link below) and I will be happy to hear about it :)[/h3]