Studio v4.3.8

The update adds a new Webviewer version that can be selcted in your space settings. Also a performance and stability update was done on the 3D models page. - stability an performance update for 3D models page - new Webviewer version is now selectable in the Studio (uses Webviewer v1.8.8) - update for Hotspot editor v1.0.7 that fixes the issue where in some few cases hotspots where duplicated or mirrored along the x-axis