Try and fix phantom keyboard presses when using keyboard emulation

Change ring button emulation to be defaulted to true

App.config

@@ -26,7 +26,7 @@
                 <value />
             </setting>
             <setting name="IsRingButtonEmulationEnabled" serializeAs="String">
-                <value>False</value>
+                <value>True</value>
             </setting>
         </WpfMaiTouchEmulator.Properties.Settings>
     </userSettings>

Properties/Settings.Designer.cs

@@ -97,7 +97,7 @@ namespace WpfMaiTouchEmulator.Properties {
         
         [global::System.Configuration.UserScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-        [global::System.Configuration.DefaultSettingValueAttribute("False")]
+        [global::System.Configuration.DefaultSettingValueAttribute("True")]
         public bool IsRingButtonEmulationEnabled {
             get {
                 return ((bool)(this["IsRingButtonEmulationEnabled"]));

Properties/Settings.settings

@@ -21,7 +21,7 @@
       <Value Profile="(Default)" />
     </Setting>
     <Setting Name="IsRingButtonEmulationEnabled" Type="System.Boolean" Scope="User">
-      <Value Profile="(Default)">False</Value>
+      <Value Profile="(Default)">True</Value>
     </Setting>
   </Settings>
 </SettingsFile>

TouchPanel.xaml.cs

@@ -60,6 +60,7 @@ public partial class TouchPanel : Window
     private void Window_Loaded(object sender, RoutedEventArgs e)
     {
         buttons = VisualTreeHelperExtensions.FindVisualChildren<Polygon>(this);
+        DeselectAllItems();
     }
 
     public void PositionTouchPanel()