QmlDesigner.PropertyEditor: Use enumeration instead of value

We did change the api.

Change-Id: I0199c168bdd9d2596efc356ef909dee62dcfd5ec
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>

share/qtcreator/qmldesigner/propertyEditorQmlSources/HelperWidgets/AligmentHorizontalButtons.qml

@@ -58,7 +58,7 @@ Row {
 
     property variant backendValue: backendValues.horizontalAlignment;
 
-    property variant value: backendValue.value
+    property variant value: backendValue.enumeration
 
     property bool baseStateFlag: isBaseState;
 

share/qtcreator/qmldesigner/propertyEditorQmlSources/HelperWidgets/AligmentVerticalButtons.qml

@@ -59,7 +59,7 @@ Row {
 
     property variant backendValue: backendValues.verticalAlignment;
 
-    property variant value: backendValue.value
+    property variant value: backendValue.enumeration
 
     property bool baseStateFlag: isBaseState;