UI: Change the Discord invite to link to the rules channel

When next stable comes out the old one will be invalidated

src/Ryujinx/AppHost.cs

@@ -1041,6 +1041,7 @@ namespace Ryujinx.Ava
                 if (_viewModel.StartGamesInFullscreen)
                 {
                     _viewModel.WindowState = WindowState.FullScreen;
+                    _viewModel.Window.TitleBar.ExtendsContentIntoTitleBar = true;
                 }
 
                 if (_viewModel.WindowState is WindowState.FullScreen || _viewModel.StartGamesWithoutUI)

src/Ryujinx/UI/Windows/AboutWindow.axaml

@@ -125,7 +125,7 @@
                         Background="Transparent"
                         Click="Button_OnClick"
                         CornerRadius="15"
-                        Tag="https://discord.gg/dHPrkBkkyA"
+                        Tag="https://discord.gg/PEuzjrFXUA"
                         ToolTip.Tip="{ext:Locale AboutDiscordUrlTooltipMessage}">
                         <Image Source="{Binding DiscordLogo}" />
                     </Button>

src/Ryujinx/Utilities/AppletMetadata.cs

@@ -45,7 +45,7 @@ namespace Ryujinx.Ava.Utilities
             if (string.IsNullOrEmpty(contentPath)) 
                 goto BadData;
 
-            appData = new() { Name = Name, Id = ProgramId, Path = GetContentPath(contentManager) };
+            appData = new() { Name = Name, Id = ProgramId, Path = contentPath };
             appControl = StructHelpers.CreateCustomNacpData(Name, Version);
             return true;