fdo#54938 Convert basctl, mysqlc, sdext, svgio, writerp. to cppu::supportsSer.

Change-Id: I60128dbb5bf83f25eea847fe655d7126c9077414
Reviewed-on: https://gerrit.libreoffice.org/7756
Tested-by: LibreOffice gerrit bot <gerrit@libreoffice.org>
Reviewed-by: Marcos Souza <marcos.souza.org@gmail.com>
Tested-by: Marcos Souza <marcos.souza.org@gmail.com>