Spawn with Random Offset component (#10969)

Adds SpawnRandomOffsetComponent, which can be used to randomly move a component on map init

Co-authored-by: wrexbe <wrexbe@protonmail.com>

Content.Server/Coordinates/SpawnRandomOffsetComponent.cs

@@ -0,0 +1,8 @@
+namespace Content.Server.Coordinates;
+
+[RegisterComponent]
+public sealed class SpawnRandomOffsetComponent : Component
+{
+    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField("offset")] public float Offset = 0.5f;
+}

Content.Server/Coordinates/SpawnRandomOffsetSystem.cs

@@ -0,0 +1,20 @@
+using Content.Shared.Random.Helpers;
+
+namespace Content.Server.Coordinates;
+
+public sealed class SpawnRandomOffsetSystem : EntitySystem
+{
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<SpawnRandomOffsetComponent, MapInitEvent>(OnMapInit);
+    }
+
+    private void OnMapInit(EntityUid uid, SpawnRandomOffsetComponent component, MapInitEvent args)
+    {
+        // TODO: Kill this extension with fire, thanks
+        uid.RandomOffset(component.Offset);
+        EntityManager.RemoveComponentDeferred(uid, component);
+    }
+}