fdo#39477: Mac Keyboard shortcut Option key ko in Customize dialog

There's still a problem of order of symbols between menu shortcut and the 2 shortcuts in Customize dialog

Change-Id: I7d8235130e8ddb8aa510a20cf803fbe81038b023
Reviewed-on: https://gerrit.libreoffice.org/10600
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
(cherry picked from commit 76e46a52706711c11f1f62373d0db5262dd2be2f)
Reviewed-on: https://gerrit.libreoffice.org/10881