macosx: fixed corner-case in which the playlist table was displayed instead of...

macosx: fixed corner-case in which the playlist table was displayed instead of the newly created vout
(cherry picked from commit 208028660fe17278a04eafe0b05c3a715e069a71)

modules/gui/macosx/MainWindow.m

@@ -799,7 +799,7 @@ static VLCMainWindow *_o_sharedInstance = nil;
 
         if (!b_nonembedded)
         {
-            if (([o_video_view isHidden] && b_activeVideo) || b_restored )
+            if (([o_video_view isHidden] && b_activeVideo) || b_restored || (b_activeVideo && sender == nil) )
                 [self makeSplitViewHidden];
             else
                 [self makeSplitViewVisible];