Added a directory to station maps (#31156)

* Added directory to station maps

* Add null checks to map directory sorting/filtering

* Reworked station map directory to be more readable and responsive

Content.Client/Pinpointer/UI/StationMapBeaconControl.xaml.cs

@@ -0,0 +1,50 @@
+using Content.Shared.Pinpointer;
+using Robust.Client.AutoGenerated;
+using Robust.Client.Graphics;
+using Robust.Client.UserInterface;
+using Robust.Client.UserInterface.XAML;
+using Robust.Shared.Map;
+
+namespace Content.Client.Pinpointer.UI;
+
+[GenerateTypedNameReferences]
+public sealed partial class StationMapBeaconControl : Control, IComparable<StationMapBeaconControl>
+{
+    [Dependency] private readonly IEntityManager _entMan = default!;
+
+    public readonly EntityCoordinates BeaconPosition;
+    public Action<EntityCoordinates>? OnPressed;
+    public string? Label => BeaconNameLabel.Text;
+    private StyleBoxFlat _styleBox;
+    public Color Color => _styleBox.BackgroundColor;
+
+    public StationMapBeaconControl(EntityUid mapUid, SharedNavMapSystem.NavMapBeacon beacon)
+    {
+        RobustXamlLoader.Load(this);
+        IoCManager.InjectDependencies(this);
+
+        BeaconPosition = new EntityCoordinates(mapUid, beacon.Position);
+
+        _styleBox = new StyleBoxFlat { BackgroundColor = beacon.Color };
+        ColorPanel.PanelOverride = _styleBox;
+        BeaconNameLabel.Text = beacon.Text;
+
+        MainButton.OnPressed += args => OnPressed?.Invoke(BeaconPosition);
+    }
+
+    public int CompareTo(StationMapBeaconControl? other)
+    {
+        if (other == null)
+            return 1;
+
+        // Group by color
+        var colorCompare = Color.ToArgb().CompareTo(other.Color.ToArgb());
+        if (colorCompare != 0)
+        {
+            return colorCompare;
+        }
+
+        // If same color, sort by text
+        return string.Compare(Label, other.Label);
+    }
+}