GRAILS-11428 fix problem related to grailsApplication bean getting ov…

…erridden in Grails 2.4.x

- https://github.com/grails/grails-data-mapping/blob/ceda8de4/grails-datastore-gorm-hibernate4/src/main/groovy/grails/orm/bootstrap/HibernateDatastoreSpringInitializer.groovy#L165-L168

grails-spring/src/main/groovy/org/codehaus/groovy/grails/commons/spring/GrailsApplicationContext.java

@@ -65,6 +65,17 @@ public GrailsApplicationContext(org.springframework.context.ApplicationContext p
     public GrailsApplicationContext() throws org.springframework.beans.BeansException {
         metaClass = GroovySystem.getMetaClassRegistry().getMetaClass(getClass());
     }
+
+    @Override
+    public boolean containsBeanDefinition(String beanName) {
+        if(super.containsBeanDefinition(beanName)) {
+            return true;
+        } else if (getParent() != null && "grailsApplication".equals(beanName)) {
+            return getParent().containsBeanDefinition(beanName);
+        } else {
+            return false;
+        }
+    }
 
     public MetaClass getMetaClass() {
         return metaClass;