Prevent crash on TV show page when shuffling

[cewert]

Caused by loss of connection to the api server

Comes from roku.com crash log:

m                roAssociativeArray refcnt=2 count:9 
global           Interface:ifGloba$1 Local Variables: 
   file/line: pkg:/components/tvshows/TVShowDetails.brs(165) 
#0  Function onshuffleepisodedataloaded() As Voi$1 Backtrace: 
'Dot' Operator attempted with invalid BrightScript Component or interface reference. (runtime error &hec) in pkg:/components/tvshows/TVShowDetails.brs(165)

which points to this line after running build-prod on 2.1.4:

m.global.queueManager.callFunc("set", m.getShuffleEpisodesTask.data.items)

Issues

Ref #1164