Fix: Google Slides authentication fix. Google Slides are now chosen through Google Picker, only giving Presenter access to selected presentations.

Fix: ProPresenter 7 lyrics import keeps slides in correct order
Change: Skipped slides in Google Slides will show as "skipped" in Presenter

Fix: Fixed issue with some services failing to sync, causing getting stuck on "Loading libraries"

Fix: Google Slides now searches shared drives when selecting a presentation

Fix: PowerPoint import now respects custom fonts used in presentations
Fix: Increased reliability of Google Slide thumbnail downloads