macosx: fix mediainfo appearance on future OS X releases (close #12066)

(cherry picked from commit 496c2575e067edc195227380c41ed69016df36bb)

modules/gui/macosx/intf.m

@@ -611,7 +611,6 @@ static VLCMain *_o_sharedMainInstance = nil;
 
     o_open = [[VLCOpen alloc] init];
     o_coredialogs = [[VLCCoreDialogProvider alloc] init];
-    o_info = [[VLCInfo alloc] init];
     o_mainmenu = [[VLCMainMenu alloc] init];
     o_coreinteraction = [[VLCCoreInteraction alloc] init];
     o_eyetv = [[VLCEyeTVController alloc] init];
@@ -1644,6 +1643,9 @@ static bool f_appExit = false;
 
 - (id)info
 {
+    if (!o_info)
+        o_info = [[VLCInfo alloc] init];
+
     if (! nib_info_loaded)
         nib_info_loaded = [NSBundle loadNibNamed:@"MediaInfo" owner: NSApp];
 

modules/gui/macosx/playlistinfo.m

@@ -65,7 +65,6 @@ static VLCInfo *_o_sharedInstance = nil;
 - (void)awakeFromNib
 {
     [o_info_window setExcludedFromWindowsMenu: YES];
-    [o_info_window setFloatingPanel: NO];
     if (!OSX_SNOW_LEOPARD)
         [o_info_window setCollectionBehavior: NSWindowCollectionBehaviorFullScreenAuxiliary];
 
@@ -115,7 +114,6 @@ static VLCInfo *_o_sharedInstance = nil;
     [o_lost_abuffers_lbl setStringValue: _NS("Lost buffers")];
 
     [o_info_window setInitialFirstResponder: o_uri_txt];
-    [o_info_window setDelegate: self];
 
     b_awakeFromNib = YES;
 
@@ -153,7 +151,7 @@ static VLCInfo *_o_sharedInstance = nil;
 
     NSInteger i_level = [[[VLCMain sharedInstance] voutController] currentWindowLevel];
     [o_info_window setLevel: i_level];
-    [o_info_window makeKeyAndOrderFront: self];
+    [o_info_window makeKeyAndOrderFront:nil];
 }
 
 - (void)initMediaPanelStats