[PUSHED] Fix some errors and remove duplicate code on Presenter

[Caolán McNamara (via_Code_Review)]

Hi,

Thank you for your patch!  It has been merged to LibreOffice.

If you are interested in details, please visit

    https://gerrit.libreoffice.org/1474

Approvals:
  Caolán McNamara: Verified; Looks good to me, approved


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Gerrit-MessageType: merged
Gerrit-Change-Id: Icd6f71ce2daa896494c8efe76779d49e16c547bf
Gerrit-PatchSet: 3
Gerrit-Project: core
Gerrit-Branch: master
Gerrit-Owner: Faisal al-otaibi <fmalotaibi at kacst.edu.sa>
Gerrit-Reviewer: Caolán McNamara <caolanm at redhat.com>
Gerrit-Reviewer: Faisal al-otaibi <fmalotaibi at kacst.edu.sa>