PDA UI refactor and cartridges (#11335)

* Work on cartridges

* Work on PDA UI

* Work on PDA UIs program list

* Work on PDA UI borders

* Add DeviceNetworkingComponent to the pda base prototype

* Fix submodule version

* Fix cartridge loader ui key

* Fix pda menu xaml

* Implement relaying ui messages

* Finish implementing the notekeeper cartridge

* Fix submodule version

* Fix errors from merging master

* Fix test failing

* Implement setting preinstalled programs

* Add some documentation to CartridgeLoaderSystem

* Add more doc comments

* Add localization to program names

* Implement review suggestions

* Fix background programs receiving events twice when active

Content.Client/PDA/PDAProgramItem.xaml.cs

@@ -0,0 +1,42 @@
+using Robust.Client.AutoGenerated;
+using Robust.Client.Graphics;
+using Robust.Client.UserInterface;
+using Robust.Client.UserInterface.Controls;
+using Robust.Client.UserInterface.XAML;
+using Robust.Shared.Input;
+
+namespace Content.Client.PDA;
+
+[GenerateTypedNameReferences]
+public sealed partial class PDAProgramItem : ContainerButton
+{
+    public const string StylePropertyBgColor = "backgroundColor";
+    public const string NormalBgColor = "#313138";
+    public const string HoverColor = "#3E6C45";
+
+    private readonly StyleBoxFlat _styleBox = new()
+    {
+        BackgroundColor = Color.FromHex("#25252a"),
+    };
+
+    public Color BackgroundColor
+    {
+        get => _styleBox.BackgroundColor;
+        set => _styleBox.BackgroundColor = value;
+    }
+
+    public PDAProgramItem()
+    {
+        RobustXamlLoader.Load(this);
+        Panel.PanelOverride = _styleBox;
+    }
+
+    protected override void Draw(DrawingHandleScreen handle)
+    {
+        base.Draw(handle);
+
+        if (TryGetStyleProperty<Color>(StylePropertyBgColor, out var bgColor))
+            BackgroundColor = bgColor;
+
+    }
+}