* nfc: Fix MIFARE Plus detection
MIFARE Plus original doesn't have GetVersion support, so detection for SL2 has been moved. Also, SL2 only exists in MIFARE Plus X, so despite it not being specified in the type identification procedure chart, it's safe to call it for what it is.
* Fix spelling
* TODO: mark as non flipper one
Co-authored-by: あく <alleteam@gmail.com>