[5.4] Prevent applying global scopes on the factory while setting connection

[themsaid]

With the changes in #18846, we use:

$model->setConnection($model->query()->getConnection()->getName());

Using $model->query() applies the global scopes to the query which caused the problem reported in #19254

[JosephSilber]

Isn't it a bug that they weren't applying global scopes before?

[taylorotwell]

@JosephSilber it doesn't seem like we would want to run global scopes just to get the connection name?