* Align namespaces in integration tests * Align namespaces in unit tests * Align namespaces in Backoffice.Filters * Align namespaces in Backoffice.ActionResults * Align namespaces in Backoffice.Mapping * Align namespaces in Backoffice.PorpertyEditors and SignalR * Align namespaces in Backoffice.Trees * Align unit tests after migration