Show AnnotateDeclaration UI from CE command for IAttributeAnnotations

This is an exception to the rule that annotations without parameters are applied immediately. This is necessary since the option to add.adjust the corresponding attribute exists now.

Author: MDoerner

Rubberduck.Core/UI/CodeExplorer/Commands/AnnotateDeclarationCommand.cs

@@ -133,7 +133,8 @@ protected override void OnExecute(object parameter)
             {
                 var model = ModelFromParameter(annotation, target);
                 if (!annotation.AllowedArguments.HasValue 
-                    || annotation.AllowedArguments.Value > 0)
+                    || annotation.AllowedArguments.Value > 0
+                    || annotation is IAttributeAnnotation)
                 {
                     model = _userInteraction.UserModifiedModel(model);
                 }