tweak: Изменены голобарьеры (#539)

Content.Server/_White/Holo/HoloSystem.cs

@@ -0,0 +1,20 @@
+using Content.Server.Holosign;
+using Content.Shared.Destructible;
+
+namespace Content.Server._White.Holo;
+
+public sealed class HoloSystem : EntitySystem
+{
+    public override void Initialize()
+    {
+        SubscribeLocalEvent<HoloComponent, DestructionEventArgs>(OnDestruction);
+    }
+
+    private void OnDestruction(EntityUid uid, HoloComponent component, DestructionEventArgs args)
+    {
+        if (!TryComp<HolosignProjectorComponent>(component.Sign, out var holo))
+            return;
+
+        holo.Signs.Remove(uid);
+    }
+}