Fix bug which caused the edited text to be invisible on clicking outside the element.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/wpfdesigner@5923 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Controls/InPlaceEditor.cs

@@ -100,6 +100,8 @@ namespace ICSharpCode.WpfDesign.Designer.Controls
        	{
            if (changeGroup != null)
                changeGroup.Abort();
+           if (textBlock != null)
+                textBlock.Visibility = Visibility.Visible;
            base.OnLostKeyboardFocus(e);
       	}