Specifies whether UTF8 conversion is to be used when parsing file names received from the server.
This property specifies, whether UTF8 conversion of filenames is used by the server
(for SFTP protocol versions higher than 3, UTF8 is obligatory).
It is set automatically according to protocol flow, but user could also set it to the desired value.
Note, that for VCL edition all file names should be converted to/from UTF-8, using the SBStrUtils.StrToUtf8 and SBStrUtils.UTF8ToStr methods.