tdf#75256 Sifr - New icon "presentationcurrentslide" and modify "presentation"

Presentationscurrentslide with a pause-play button and i add a play symbol to
the presentation icon (like the one in tango, galaxy e.g.)

Change-Id: If3ee81a7811a545a4251d1d1b2827e477b5034a5
Reviewed-on: https://gerrit.libreoffice.org/16383Reviewed-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>
Tested-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>