Add utility AI (#806)

Co-authored-by: Pieter-Jan Briers <pieterjan.briers@gmail.com>
Co-authored-by: Metal Gear Sloth <metalgearsloth@gmail.com>
Co-authored-by: Pieter-Jan Briers <pieterjan.briers+git@gmail.com>

Content.Server/AI/Utility/UtilityAiHelpers.cs

@@ -0,0 +1,25 @@
+using Content.Server.AI.Utility.AiLogic;
+using Content.Server.AI.WorldState;
+using Content.Server.GameObjects.Components.Movement;
+using Robust.Shared.Interfaces.GameObjects;
+
+namespace Content.Server.AI.Utility
+{
+    public static class UtilityAiHelpers
+    {
+        public static Blackboard GetBlackboard(IEntity entity)
+        {
+            if (!entity.TryGetComponent(out AiControllerComponent aiControllerComponent))
+            {
+                return null;
+            }
+
+            if (aiControllerComponent.Processor is UtilityAi utilityAi)
+            {
+                return utilityAi.Blackboard;
+            }
+
+            return null;
+        }
+    }
+}