...and keep the 'More Characters...' button as first focused

Change-Id: Iab4cb00aaed9250f0cc7f35f27af48eb326f2a48
Reviewed-on: https://gerrit.libreoffice.org/71834
Tested-by: Jenkins
Reviewed-by: Jim Raykowski <raykowj@gmail.com>
(cherry picked from commit caa6de6c)
Reviewed-on: https://gerrit.libreoffice.org/72772Reviewed-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>