Don't load song data until stream is loaded

Fixes #1609

components/music/AudioPlayerView.bs

@@ -388,6 +388,33 @@ end sub
 ' Update values on screen when page content changes
 sub pageContentChanged()
 
+    m.LoadAudioStreamTask.control = "STOP"
+
+    currentItem = m.global.queueManager.callFunc("getCurrentItem")
+
+    m.LoadAudioStreamTask.itemId = currentItem.id
+    m.LoadAudioStreamTask.observeField("content", "onAudioStreamLoaded")
+    m.LoadAudioStreamTask.control = "RUN"
+end sub
+
+' If we have more and 1 song to play, fade in the next and previous controls
+sub loadButtons()
+    ' Don't show audio buttons if we have a mixed playlist
+    if m.playlistTypeCount > 1 then return
+
+    if m.global.queueManager.callFunc("getCount") > 1
+        m.shuffleIndicator.opacity = ".4"
+        m.loopIndicator.opacity = ".4"
+        m.displayButtonsAnimation.control = "start"
+        setLoopButtonImage()
+    end if
+end sub
+
+sub onAudioStreamLoaded()
+    stopLoadingSpinner()
+    data = m.LoadAudioStreamTask.content[0]
+    m.LoadAudioStreamTask.unobserveField("content")
+    if data <> invalid and data.count() > 0
         ' Reset buffer bar without animation
         m.bufferPosition.width = 0
 
@@ -428,29 +455,6 @@ sub pageContentChanged()
             m.totalLengthTimestamp.text = ticksToHuman(currentItem.RunTimeTicks)
         end if
 
-    m.LoadAudioStreamTask.itemId = currentItem.id
-    m.LoadAudioStreamTask.observeField("content", "onAudioStreamLoaded")
-    m.LoadAudioStreamTask.control = "RUN"
-end sub
-
-' If we have more and 1 song to play, fade in the next and previous controls
-sub loadButtons()
-    ' Don't show audio buttons if we have a mixed playlist
-    if m.playlistTypeCount > 1 then return
-
-    if m.global.queueManager.callFunc("getCount") > 1
-        m.shuffleIndicator.opacity = ".4"
-        m.loopIndicator.opacity = ".4"
-        m.displayButtonsAnimation.control = "start"
-        setLoopButtonImage()
-    end if
-end sub
-
-sub onAudioStreamLoaded()
-    stopLoadingSpinner()
-    data = m.LoadAudioStreamTask.content[0]
-    m.LoadAudioStreamTask.unobserveField("content")
-    if data <> invalid and data.count() > 0
         m.global.audioPlayer.content = data
         m.global.audioPlayer.control = "none"
         m.global.audioPlayer.control = "play"