Refactor AI considerations (#1278)

Considerations are now instantiated under a manager and re-used between entities where they pass in their blackboard to get a score back.
Also makes the API a bit nicer to use.
Also some random cleanup.

Co-authored-by: Metal Gear Sloth <metalgearsloth@gmail.com>

Content.Server/ServerContentIoC.cs

@@ -1,4 +1,5 @@
-using Content.Server.AI.WorldState;
+using Content.Server.AI.Utility.Considerations;
+using Content.Server.AI.WorldState;
 using Content.Server.Cargo;
 using Content.Server.Chat;
 using Content.Server.GameTicking;
@@ -37,6 +38,7 @@ namespace Content.Server
             IoCManager.Register<INodeGroupManager, NodeGroupManager>();
             IoCManager.Register<INodeFactory, NodeFactory>();
             IoCManager.Register<BlackboardManager, BlackboardManager>();
+            IoCManager.Register<ConsiderationsManager, ConsiderationsManager>();
         }
     }
 }