Add support for adminEditUrl accessor in browsers that are not using the twill_related table

Author: joyceverheije

src/Repositories/Behaviors/HandleBrowsers.php

@@ -201,7 +201,7 @@ function ($relatedElement) use ($titleKey, $routePrefix, $relation, $moduleName,
                     return [
                             'id' => $relatedElement->id,
                             'name' => $relatedElement->titleInBrowser ?? $relatedElement->$titleKey,
-                            'edit' => moduleRoute(
+                            'edit' => $relatedElement->adminEditUrl ?? moduleRoute(
                                 $moduleName ?? $relation,
                                 $routePrefix ?? '',
                                 'edit',