Initialize defaults for selected streams when opening a playlist without menus

4 jobs from master in 2 minutes (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #261048
debian amd64
build-debian

00:00:49

passed #261049
macos
build-macos

00:01:10

passed #261051
debian amd64 win32
build-win32

00:01:48

passed #261050
debian amd64 win64
build-win64

00:02:00