make sure PIN doesnt show on screen. adjust focus.

src/App/Controls/ExtendedEntry.cs

@@ -56,6 +56,7 @@ namespace Bit.App.Controls
         public bool? Autocorrect { get; set; }
         public bool DisableAutocapitalize { get; set; }
         public bool AllowClear { get; set; }
+        public bool HideCursor { get; set; }
 
         // Need to overwrite default handler because we cant Invoke otherwise
         public new event EventHandler Completed;

src/App/Controls/PinControl.cs

@@ -21,13 +21,19 @@ namespace Bit.App.Controls
             {
                 Keyboard = Keyboard.Numeric,
                 MaxLength = 4,
-                Margin = new Thickness(0, int.MaxValue, 0, 0)
+                HideCursor = true
             };
 
+            Entry.BackgroundColor = Entry.TextColor = Color.Transparent;
+
             if(Device.RuntimePlatform == Device.Android)
             {
                 Label.TextColor = Color.Black;
             }
+            else
+            {
+                Entry.Margin = new Thickness(0, int.MaxValue, 0, 0);
+            }
         }
 
         public Label Label { get; set; }