Add direct pdf export to the Redaction toolbar

Users need an in-process copy of pdf to share
with peers and discuss the redacted areas

Change-Id: I68c16c6f09690a9d5cd2df191963107029e5ed88
Reviewed-on: https://gerrit.libreoffice.org/70863Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>

sd/uiconfig/sdraw/toolbar/redactionbar.xml

@@ -22,4 +22,5 @@
  <toolbar:toolbaritem xlink:href=".uno:Freeline_Unfilled?Transparence:short=50&amp;Color:string=COL_GRAY7&amp;Width:short=500&amp;IsSticky:bool=true&amp;ShapeName:string=FreeformRedactionShape"/>
  <toolbar:toolbarseparator/>
  <toolbar:toolbaritem xlink:href=".uno:RedactedExportToolbox"/>
+ <toolbar:toolbaritem xlink:href=".uno:ExportDirectToPDF"/>
 </toolbar:toolbar>