* Moved VisualTreeHelper and PathOfExileColors to Filtration.Common

* Replaced bindings of PathOfExileColors with x:Static
* Fixed Advanced tab of ColorPicker control in theme editor not being clickable

Filtration.ThemeEditor/Views/ThemeComponentControl.xaml.cs

@@ -1,4 +1,6 @@
-namespace Filtration.ThemeEditor.Views
+using System.Windows.Input;
+
+namespace Filtration.ThemeEditor.Views
 {
     public partial class ThemeComponentControl
     {
@@ -6,5 +8,13 @@
         {
             InitializeComponent();
         }
+
+        private void ColorPicker_OnMouseDown(object sender, MouseButtonEventArgs e)
+        {
+            // For some reason if we don't mark OnMouseDown events as handled for this control
+            // it ignores them and they end up getting picked up by the parent ListBoxItem instead,
+            // resulting in the Advanced tab not being clickable.
+            e.Handled = true;
+        }
     }
 }