[REF] CRM/Core - Use str_contains instead of strpos

CRM/Core/BAO/Cache.php

CRM/Core/BAO/CustomField.php

CRM/Core/BAO/CustomGroup.php

CRM/Core/BAO/Navigation.php

CRM/Core/BAO/SchemaHandler.php

CRM/Core/BAO/UFGroup.php

CRM/Core/DAO.php

CRM/Core/EntityTokens.php

CRM/Core/Form/Renderer.php

CRM/Core/Form/Task/PDFLetterCommon.php

CRM/Core/I18n/NativeGettext.php

CRM/Core/Invoke.php

CRM/Core/Key.php

CRM/Core/Menu.php

CRM/Core/Page/QUnit.php

CRM/Core/Payment/AuthorizeNet.php

CRM/Core/QuickForm/GroupMultiSelect.php

CRM/Core/Resources.php

CRM/Core/Selector/Controller.php

CRM/Core/Smarty.php