Refs #11035 change path to CWD when API is called.

extension/Classes/Api/delete.php

extension/Classes/Api/dirty.php

extension/Classes/Api/download.php

extension/Classes/Api/dragAndDrop.php

extension/Classes/Api/file.php

extension/Classes/Api/load.php

extension/Classes/Api/print.php

extension/Classes/Api/rest.php

extension/Classes/Api/save.php

extension/Classes/Api/setting.php

extension/Classes/Api/typeahead.php

extension/Classes/Core/Helper/Path.php

extension/Classes/Core/QuickFormQuery.php

extension/NoT3Page/index.php