Add parameter to change arrow cap size

Source/Editor/SceneGraph/Actors/DirectionalLightNode.cs

@@ -23,7 +23,7 @@ namespace FlaxEditor.SceneGraph.Actors
             base.OnDebugDraw(data);
 
             var transform = Actor.Transform;
-            DebugDraw.DrawWireArrow(transform.Translation, transform.Orientation, 1.0f, Color.Red, 0.0f, false);
+            DebugDraw.DrawWireArrow(transform.Translation, transform.Orientation, 1.0f, 0.5f, Color.Red, 0.0f, false);
         }
     }
 }

Source/Editor/SceneGraph/Actors/SpotLightNode.cs

@@ -23,7 +23,7 @@ namespace FlaxEditor.SceneGraph.Actors
             base.OnDebugDraw(data);
 
             var transform = Actor.Transform;
-            DebugDraw.DrawWireArrow(transform.Translation, transform.Orientation, 0.3f, Color.Red, 0.0f, false);
+            DebugDraw.DrawWireArrow(transform.Translation, transform.Orientation, 0.3f, 0.15f, Color.Red, 0.0f, false);
         }
     }
 }

Source/Editor/Viewport/ViewportDraggingHelper.cs

@@ -218,7 +218,7 @@ namespace FlaxEditor.Viewport
                         LocalOrientation = RootNode.RaycastNormalRotation(ref hitNormal),
                         Name = item.ShortName
                     };
-                    DebugDraw.DrawWireArrow(PostProcessSpawnedActorLocation(actor, ref hitNormal), actor.LocalOrientation, 1.0f, Color.Red, 1000000);
+                    DebugDraw.DrawWireArrow(PostProcessSpawnedActorLocation(actor, ref hitNormal), actor.LocalOrientation, 1.0f, 0.5f, Color.Red, 1000000);
                     Spawn(actor, ref hitLocation, ref hitNormal);
                 }
                 else if (hit is StaticModelNode staticModelNode)