changed: Test code
fixed: That obviously doesn't work :/
changed: Move StreamDetails loading from the VideoThumbLoader into GUIWindowVideoNav. Also seems to fix a race between the app thread and thumb thread screwing up loading media flags sometimes
Revert "changed: Move StreamDetails loading from the VideoThumbLoader into GUIWindowVideoNav. Also seems to fix a race between the app thread and thumb thread screwing up loading media flags sometimes"

This reverts commit 3a0b86670f0f90d7dab84b3332804625ecf20efa.