Build 0.580 - New Builder Content

First batch of new build piece content, more coming soon!

• 60 new build pieces configured for sandbox mode

• Fix issues with skill level and unlock calculations, showing skill level in the UI

• Add current skillpoints/points required to skill UI

• Add flags to build pieces so they match their intended game mode, eg. animated people props are for Creative mode, dynamic storage is for Sandbox etc

• Change unavailable build piece tooltip to say "Full game only" when in a demo build, and "Coming Soon" for full game, as well as text color changes in skills and builder UI lists

• Configure embedded blueprint StarterHouse to not qualify for Steam Workshop uploading

• Add build piece popup details window for skills UI

• build pieces now automatically create a filter tag for their batch date, this helps identify what build pieces are new

• Fix interation UI showing options for build pieces when in design mode, should only show for active construction pieces

• Rework awarding builder skill points, from fixed 5 per new build plan, to 1.5 * number of pieces in build plan

• Fix Builder UI not handling unlocked pieces correctly