fix the default floor plane being too small

Author: David Kline (ANALOG)

Assets/MixedRealityToolkit-SDK/Profiles/DefaultMixedRealityBoundaryVisualizationProfile.asset

@@ -14,4 +14,4 @@ MonoBehaviour:
   playAreaMaterial: {fileID: 2100000, guid: 30d693ff62c571241b431ef4e206b09a, type: 2}
   trackedAreaMaterial: {fileID: 2100000, guid: 1ab3a050711c97243a200ca653272343, type: 2}
   floorPlaneMaterial: {fileID: 2100000, guid: e106645f46550d54bacf6c82811c99e6, type: 2}
-  floorPlaneScale: {x: 3, y: 3, z: 1}
+  floorPlaneScale: {x: 10, y: 10, z: 1}

Assets/MixedRealityToolkit/_Core/Definitions/BoundarySystem/MixedRealityBoundaryVisualizationProfile.cs

@@ -36,7 +36,7 @@ public class MixedRealityBoundaryVisualizationProfile : ScriptableObject
         public Material FloorPlaneMaterial => floorPlaneMaterial;
 
         [SerializeField]
-        private Vector3 floorPlaneScale = new Vector3(5f, 5f, 1f);
+        private Vector3 floorPlaneScale = new Vector3(10f, 10f, 1f);
 
         /// <summary>
         /// The the size at which to display the rectangular floor plane <see cref="GameObject"/>.