resolved fdo#76949 correct grammar is GRAM_OOXML

Regression introduced with ca8ca8c28742879220f3ff88ae0d71c8d69b11cd that
used GRAM_ENGLISH_XL_OOX instead, which is English UI function names
with OOXML reference syntax.

Change-Id: If6b73e85a45e57f6ef281d1edf8e34dec7cb9bb8
(cherry picked from commit 31e4419ac7581aa7864905bcd4ce42e14df6c9bb)
Reviewed-on: https://gerrit.libreoffice.org/8818
Reviewed-by: Kohei Yoshida <libreoffice@kohei.us>
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>