Fixes #3993 Recent changes in color picker has caused incompatibility with existing picker

src/Umbraco.Web.UI.Client/src/views/propertyeditors/colorpicker/colorpicker.controller.js

@@ -123,6 +123,11 @@ function ColorPickerController($scope) {
         if (!$scope.model.value)
             return false;
 
+        // Backwards compatibility, the color used to be stored as a hex value only
+        if ($scope.model.value.length === 6) {
+            $scope.model.value = { value: $scope.model.value, label: $scope.model.value };
+        }
+
         // Complex color (value and label)?
         if (!$scope.model.value.hasOwnProperty("value"))
             return $scope.model.value === color.value;