* 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/Utility/VisualTreeUtility.cs

@@ -1,26 +0,0 @@
-using System.Windows;
-using System.Windows.Media;
-
-namespace Filtration.Utility
-{
-    public class VisualTreeUtility
-    {
-        public static T FindParent<T>(DependencyObject child)
-            where T : DependencyObject
-        {
-            //get parent item
-            var parentObject = VisualTreeHelper.GetParent(child);
-
-            //we've reached the end of the tree
-            if (parentObject == null) return null;
-
-            //check if the parent matches the type we're looking for
-            if (parentObject is T parent)
-            {
-                return parent;
-            }
-
-            return FindParent<T>(parentObject);
-        }
-    }
-}