Update Abstract to get the classname without .

Fixes errors on e.g. `Versioned::class . '.versioned'` to throw an error on build

src/Generators/AbstractTagGenerator.php

@@ -146,6 +146,7 @@ protected function getClassConfig($key)
      */
     protected function getAnnotationClassName($class)
     {
+        [$class] = explode('.', $class); // Remove dot-notated extension parts
         if (DataObjectAnnotator::config()->get('use_short_name')) {
             return ClassInfo::shortName($class);
         }