EZP-20948: Added uri property to BinaryBase\Value
EZP-20948: refactored BunaryFile URI & ID handling

- renamed path to id
- added uri property

Tests updated and passing
EZP-20948: Fixed IOService + tests after refactoring
Fixed handlers tests
EZP-20948: Fixed IOLegacy handler + tests
EZP-20948: Fixed remaining tests
EZP-20948: Fixed ImageStorage return value for null case

Was generating a notice in Legacy\Converter\Image

true would