macosx: Connect shows data source on init

Signed-off-by: Claudio Cambra <developer@claudiocambra.com>

modules/gui/macosx/library/video-library/VLCLibraryShowsDataSource.m

@@ -33,6 +33,15 @@
 
 @implementation VLCLibraryShowsDataSource
 
+- (instancetype)init
+{
+    self = [super init];
+    if(self) {
+        [self connect];
+    }
+    return self;
+}
+
 - (void)connect
 {
     NSNotificationCenter * const notificationCenter = NSNotificationCenter.defaultCenter;