Return `.attributeNotLong` error
Return `.attributeNotLong` error

If the Characteristic Value is not longer than (ATT_MTU – 1) an Error
Response with the Error Code set to Attribute Not Long shall be
received on the first Read Blob Request.

PureSwift/BluetoothLinux,PureSwift/BlueZ,PureSwift/SwiftBlueZ,PureSwift/BlueZ,PureSwift/BluetoothLinux,PureSwift/SwiftBlueZ