Add com port option in Braille Display Select Dialog and fix Serial Connection error (#16340)
Add com port in Hims Braille Display and fix Serial Connection error
Description of user facing changes
Users can always perform serial connections normally.
User can choose com port in Braille Display Selection Dialog(Hims).
Description of development approach
In the HimsDisplayDriver, due to a chip issue, there were instances where packet data was intermittently split arbitrarily during the serial connection verification process, necessitating modifications to the _onReceive function.