fdo#80363 add _wfullpath to expand ".." in dictionary paths

Change-Id: I6c9edd0b4d2c63f7735d090e5d2d72d5fb81b921
Reviewed-on: https://gerrit.libreoffice.org/10400
Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>
(cherry picked from commit 7efd83bb29ef8be8c78c4da5452fe3293ed15ea4)
Reviewed-on: https://gerrit.libreoffice.org/10405
(cherry picked from commit 24e9950f68ca57c454dbb35cf8562d82e76a42e7)

combined with

fdo#80363 _wfullpath in MyThes and Hyphen

(cherry picked from commit 0ad283adb51b3a1bb777e6341e61541d4bffaa44)
(cherry picked from commit 45e4cdcc66d01a987c4edc715cb4cf083868b5ff)