OqtaneIgnore implementation to theme elements

Oqtane.Server/Repository/ThemeRepository.cs

@@ -50,7 +50,7 @@ namespace Oqtane.Repository
                 // Check if type should be ignored
                 if (themeControlType.Name == "ThemeBase"
                     || themeControlType.IsGenericType
-                    || Attribute.IsDefined(themeControlType, typeof(OqtaneIgnoreAttribute))
+                    || themeControlType.IsOqtaneIgnore()
                 ) continue;
 
                 string themeNamespace = themeControlType.Namespace;
@@ -62,6 +62,7 @@ namespace Oqtane.Repository
                 // Find all types in the assembly which have the same namespace-root as the theme file
                 // Check with "." in the end to 
                 List<Type> typesInTheme = assembly.GetTypes()
+                    .Where(item=>!item.IsOqtaneIgnore()) 
                     .Where(item => item.Namespace != null)
                     // Namespace must be the same or start with "xxx." to ensure that
                     // similar namespaces like "MyTheme" and "MyTheme2" don't match in StartsWith(...)