[TIMOB-26217] iOS: Added "Ti.Filesystem.File" methods isFile() and isDirectory() for encrypted assets
[TIMOB-26217] iOS: Added "Ti.Filesystem.File" methods isFile() and isDirectory() for encrypted assets

- Needed by [TIMOB-26015] to avoid runtime error recursvie "*.bootstrap.js" search since it uses isDirectory().

mano-mykingdom/titanium_mobile,mano-mykingdom/titanium_mobile,mano-mykingdom/titanium_mobile,mano-mykingdom/titanium_mobile,mano-mykingdom/titanium_mobile,mano-mykingdom/titanium_mobile,mano-mykingdom/titanium_mobile,mano-mykingdom/titanium_mobile