Merge pull request #3015 from keveleigh/FocusBug

Fix bug in ResetFocusedObjects where the previous target stayed the same

Author: StephenHodgson

Assets/MixedRealityToolkit-SDK/Features/Input/FocusProvider.cs

@@ -187,10 +187,7 @@ public void UpdateHit()
 
             public void ResetFocusedObjects(bool clearPreviousObject = true)
             {
-                if (clearPreviousObject)
-                {
-                    PreviousPointerTarget = null;
-                }
+                PreviousPointerTarget = clearPreviousObject ? null : CurrentPointerTarget;
 
                 focusDetails.Point = Details.Point;
                 focusDetails.Normal = Details.Normal;