Steering tweaks (#14140)

- Fix the direct-path so NPCs. This is most noticeable when moving diagonally on planetmaps (given the current pathfinder is cardinal)
- Reduce static collision avoidance weight and distance. This seems to reduce instances of getting stuck on railings.

Content.Server/NPC/Systems/NPCSteeringSystem.Context.cs

@@ -320,7 +320,7 @@ public sealed partial class NPCSteeringSystem
         EntityQuery<PhysicsComponent> bodyQuery,
         EntityQuery<TransformComponent> xformQuery)
     {
-        var detectionRadius = MathF.Max(1.5f, agentRadius);
+        var detectionRadius = MathF.Max(1f, agentRadius);
 
         foreach (var ent in _lookup.GetEntitiesInRange(uid, detectionRadius, LookupFlags.Static))
         {
@@ -364,7 +364,7 @@ public sealed partial class NPCSteeringSystem
             for (var i = 0; i < InterestDirections; i++)
             {
                 var dot = Vector2.Dot(norm, Directions[i]);
-                danger[i] = MathF.Max(dot * weight, danger[i]);
+                danger[i] = MathF.Max(dot * weight * 0.9f, danger[i]);
             }
         }