efl-wl: return NULL without error when non-extracted parent is found

in  efl_wl_extracted_surface_extracted_parent_get()

src/lib/efl_wl/Efl_Wl.h

@@ -158,7 +158,7 @@ EAPI Eina_Bool efl_wl_surface_extract(Evas_Object *surface);
 EAPI Evas_Object *efl_wl_extracted_surface_object_find(void *surface_resource);
 
 /**
- * Get the Evas_Object for an extracted surface's parent
+ * Get the Evas_Object for an extracted surface's parent, or NULL if the parent is not extracted
  *
  * @note Passing anything other than a valid, extracted surface guarantees a crash.
  *

src/lib/efl_wl/efl_wl.c

@@ -5628,7 +5628,7 @@ efl_wl_extracted_surface_extracted_parent_get(Evas_Object *surface)
 
    if (cs->parent)
      {
-        EINA_SAFETY_ON_FALSE_RETURN_VAL(!cs->parent->extracted, NULL);
+        if (!cs->parent->extracted) return NULL;
         return cs->parent->obj;
      }
    return NULL;